Variation in the Blue Ridge Mountain Dusky Salamander in Western North Carolina
Huheey, J. E
Journal of the Elisha Mitchell Scientific Society. 82(2):118-126. 1966.

Variation in the Cactus-Mouse, Peromyscus eremicus
Dice, Lee R
University of Michigan, Ann Arbor. 1939.

Variation in the Cactus-Mouse, Peromyscus eremicus, 1939, University of Michigan, Ann Arbor, Michigan, Contributions from the Laboratory of Vertebrate Genetics, University of Michigan, Number 8 : pages 1-27 with 1 map and 5 tables
Dice, L. R
University of Michigan, Ann Arbor, Michigan.

Variation in the Canyon Lizard, Sceloporus Merriami Stejneger
Olson, R. E
Herpetologica. 29(2):116-127. 1973.

Variation in the Cardinalia of the Brachiopod Ptychopleurella bouchardi ( Davidson ) from the Wenlock Limestone of Wenlock Edge, Shropshire
Bassett, Michael G
Palaeontology, Vol. 13, Pt. 2, 1970, Pp. 297 - 302 + 1 Plate. 1970.

Variation in the Caudal Skeleton of Two Etheostomatine Fishes
Robison, H. W
Southwestern Naturalist. 23(1):165-167. 1978.

Variation in the Characteristics of the Blood in Normal and Cholestrol Fed Rabbits
Wade, Charles Henry Townsend
Unpublished university thesis. 1936.

Variation in the Choanal Structure of Recent Turtles
Parsons, T. S
Canadian Journal of Zoology. 46(6):1235-1263, 5 plates. 1968.

Variation in the Coral Snake Micrurus Diastema
Fraser, D. F
Copeia. 1973(1):1-17. 1973.

Variation in the Coral Snake, Micrurus Diastema, in Quintana Roo, Mexico
Blaney, R. M. and P. K. Blaney
Herpetologica. 35(3):276-278. 1979.

Variation in the Cranial Feeding Mechanism of Trionyx
Dalrymple, G. H
American Zoologist. 14(4):1268. 1974.
ISBN 0000031569

Variation in the Cuban Lizard Leiocephalus Raviceps Cope
Schwartz, A
Proceedings of the Biological Society of Washington. 73:67-82. 1960.

VARIATION IN THE CYTOLOGY OF THE BLOOD OF GECKOS (TARENTOLA MAURITANICA) INFECTEDWITH HAEMOGREGARINA PLATYDACTYLI,ETC
Wood,S.F
Berk. U.CA 1935,lst ed. 1935.

Variation in the Data: Can Linguistics Ever Become a Science
Bailey, Charles-James N
Orchid Land Pubns, Kea'Au, Hawaii, U.S.A. 1993.
ISBN 1881309037

VARIATION IN THE DEER-MOUSE (PEROMYSCUS MANICULATUS) ALONG THE LOWER COLUMBIA RIVER
Fox,W
Notre Dame Univ.Press Sept.1948,lst ed. 1948.

Variation in the Deer-Mouse (Peromyscus maniculatus) in Parts of Idaho, Montana, Utah, and Wyoming
Dice, Lee R
University of Michigan, Ann Arbor. 1944.

Variation in the Deer-Mouse (Peromyscus maniculatus) of the Bad Lands and Black Hills of South Dakota and Wyoming
Dice, Lee R
University of Michigan, Ann Arbor. 1942.

Variation in the Deer-Mouse (Peromyscus maniculatus) of the Bad Lands and Black Hills of South Dakota and Wyoming, 1942, University of Michigan, Ann Arbor, Michigan, Contributions from the Laboratory of Vertebrate Genetics, University of Michigan, Number
Dice, L. R
University of Michigan, Ann Arbor, Michigan.

Variation in the Deer-Mouse (Peromyscus maniculatus) of the Columbia Basin of Southeastern Washington and Adjacent Idaho and Oregon, 1939, University of Michigan, Ann Arbor, Michigan, Contributions from the Laboratory of Vertebrate Genetics, University of
Dice, L. R
University of Michigan, Ann Arbor, Michigan.

Variation in the Deer-Mouse (Peromyscus maniculatus) of the Sand Hills of Nebraska and Adjacent Areas, 1941, University of Michigan, Ann Arbor, Michigan, Contributions from the Laboratory of Vertebrate Genetics, University of Michigan, Number 15 : pages 1
Dice, L. R
University of Michigan, Ann Arbor, Michigan.

Variation in the Degree of Viviparity in the Sailfin Molly, Poecilia Latipinna
Trexler, J. C
Copeia. 1985(4):999-1004. 1985.

Variation in the Dentition of Kangaroo Rats (Genus Dipodomys) and Its Implications for the Fossil Record
Carrasco, M. A
Southwestern Naturalist. 45(4):490-507. 2000.

Variation in the Diet of Sistrurus Catenatus (Massasauga), with Emphasis on Sistrurus Catenatus Edwardsii (Desert Massasauga)
Holycross, A. T. and S. P. Mackessy
Journal of Herpetology. 36(3):454-464. 2002.

VARIATION IN THE DISTRIBUTION OF THE UNISEXUAL LIZARD, CNEMIDOPHORUS TESSELATUS
ZWEIFEL R.G

Variation in the Dorsal Pattern of Desmognathus ochrophaeus at Mt. Michell, North Carolina, and Elsewhere in the Southern Appalachian Mountains, 1969, American Society of Ichthyologists and Herpetologists, Copeia, 1969, Number 1 : pages 161-175 with 7 fig
Tilley, S. G
American Society of Ichthyologists and Herpetologists.

Variation in the Dorsal Pattern of Desmognathus Ochrophaeus at Mt. Mitchell, North Carolina, and Elsewhere in the Southern Appalachian Mountains
Tilley, S. G
Copeia. 1969:161-175. 1969.

Variation in the Echolocation Calls of Little Brown Bats (Myotis Lucifugus) in Response to Different Habitats
Wund, M. A
American Midland Naturalist. 156(1):99-108. 2006.
ISBN 0000030031

Variation in the Form and Use of Languag
Ralph W. Fasold
ISBN 0878402144

Variation in the form and use of language : a sociolinguistics reader
Fasold Ralph W.Ralph W. Fasold editor
HARDCOVER Book-On-Demand Reprint from edition originally published: Washington DC : Georgetown University Press c1983. 1983.

Variation in the Form and Use of Language: A Sociolinguistics Reader
Fasold, Ralph W
Georgetown. 1983.
ISBN 0878402144

Variation in the Form and Use of Language: A Sociolinguistics Reader
Ralph W. Fasold
Georgetown University Press. 1984.
ISBN 0878402144

Variation in the Form and Use of Language A Sociolinguistics Reader
Ralph W. Fasold
ISBN 0878402144

Variation in the form & use of language : a sociolinguistics reader
Fasold Ralph W.Ralph W. Fasold editor
Book-On-Demand Reprint from edition originally published: Washington DC : Georgetown University Press c1983. 1983.

Variation in the Fox Squirrel in Florida, 1956, Notre Dame University Press, American Midland Naturalist, Volume 55, Number 1 : pages 41-65 with 7 figures and 7 tables
Moore, J. C
Notre Dame University Press.

Variation in the Greensnake, Opheodrys Vernalis (Harlan), from the Black Hills, South Dakota
Robins, C. R
Copeia. 1952(3):191-192. 1952.

Variation in the Hand and Superficial Throat Musculature of Neotropical Leptodactylid Frogs
Burton, T. C
Herpetologica. 54(1):53-72. 1998.

Variation in the Hispaniolan Colubrid Snake Uromacer Frenatus GVÂșnther (Reptilia, Serpentes, Colubridae)
Schwartz, A
Journal of Herpetology. 10(4):319-327. 1976.

Variation in the Hispaniolan Giant Anole Anolis Barahonae with the Description of Two New Subspecies
Cullom, S. J. and A. Schwartz
Herpetologica. 36(1):93-98. 1980.

Variation in the Human Genome
Symposium on Variation in the Human Genome (1995 Ciba Foundation)
John Wiley & Son Ltd, United Kingdom. 1996.
ISBN 0471961523

Variation in the Life Cycle of the Salamander Gyrinophilus Porphyriticus
Bruce, R. C
Herpetologica. 28:230-245. 1972.

Variation in the Lima Bean, Phaseolus lunatus L., as illustrated by its synonymy, 1931, New York State Agricultural Experiment Station, Geneva, New York, New York State Agricultural Experiment Station, Technical Bulletin, Number 182 : pages 1-24 with 3 fi
Van Eseltine, G. P
New York State Agricultural Experiment Station, Geneva, New York.

Variation in the Male Reproductive Cycle in a Population of Painted Turtles, Chrysemys Picta, from Virginia
Mitchell, J. C
Herpetologica. 41(1):45-51. 1985.

Variation in the Male Reproductive Cycle in a Population of Stinkpot Turtles, Sternotherus Odoratus, from Virginia
Mitchell, J. C
Copeia. 1985(1):50-56. 1985.

Variation in the Maximun Depth at Which Fish Can Live During Summer in a Moderately Deep Lake with a Thermocline
Smith, Frank
Government Printing Office, Washington DC. 1925.

Variation in the Mexican Garter Snake Thamnophis Scalaris Cope and the Taxonomic Status of T. Scaliger (Jan)
Rossman, D. A. and G. L. Gongora
Occasional Papers of the Museum of Natural Science, Louisiana State University. (74):1-15. 1997.

Variation in the moisture content of bailed indian cotton with atmospheric humidity
Indian Central Cotton Committee Technological Laboratory; Ahmad, Nazir, Illustrated by B&W illus
Bombay: Times of India Press June 1933, Bombay. 1933.

VARIATION IN THE MUSCLES AND NERVES OF THE LEG IN TWO GENERA OF GROUSE 1963
HOLMES, E. B

Variation in the Muscles and Nerves of the Leg in Two Genera of Grouse (Tympanuchus and Pedioecetes)
HOLMES, E.B
University of Kansas,, Lawrence:. 1963.

VARIATION IN THE MUSCLES AND NERVES OF THE LEG IN TWO GENERA OF GROUSE (TYMPANUCHUS AND PEDIOECETES 1963
HOLMES, E. B

Variation in the Muscles and Nerves of the Leg in Two Genera of Grouse (Tympanuchus and Pedioecetes), 1963, University of Kansas, Lawrence, University of Kansas Publications, Museum of Natural History, Volume 12, Number 9 : pages 363-474 with 20 figures
Holmes, E. B
University of Kansas, Lawrence.

Variation in the Muscles and Nerves of the Leg in Two Genera of Grouse (Tympanuchus and Pedioectes)
Holmes, E. Bruce
University of Kansas, Lawrence. 1963.

Variation in the Nucleolus Organizer Region among New World Snakes
Camper, J. D. and B. G. Hanks
Journal of Herpetology. 29(3):468-471. 1995.

VARIATION IN THE NUMBER OF MARGINAL TOOTH POSITIONS IN THREE SPECIES OF IGUANID LIZARDS
RAY C.E

Variation in the Number of Marginal Tooth Positions in Three Species of Iguanid Lizards
Ray, C. E
Breviora. (236):1-15. 1965.

Variation in the number of marginal tooth positions in three species of iguanid lizards, 1965, Harvard Museum of Comparative Zoology, Breviora, (236) : 1-15, 5 fig
Ray, C. E
Harvard Museum of Comparative Zoology.

Variation in the Number of Seeds per Pod in the Broom, Cytisus Scoparius, 1909, The American Society of Naturalists, The American Naturalist, Volume 43 : pages 350-355 with 2 tables
Harris, J. A
The American Society of Naturalists.

Variation in the Pacific Mud Turtle
Seeliger, L. M
Copeia. 1945(3):150-159. 1945.

Variation in the Painted Bunting (Passerina Ciris), with Special Reference to Wintering Populations, 1951, University of Michigan Museum of Zoology, Occasional Papers, 532 : 1-12
Storer, R. W
University of Michigan Museum of Zoology.

Variation in the Painted Bunting (Passerina Ciris), with Special Reference to Wintering Populations, 1951, University of Michigan Press, University of Michigan, Ann Arbor, Michigan, Occasional Papers of the Museum of Zoology, University of Michigan, Numbe
Storer, R. W
University of Michigan Press, University of Michigan, Ann Arbor, Michigan.

Variation in the Pallets of Teredo Navalis in San Francisco Bay
Miller, Robert Cunningham
Berkeley, Ca: University of California Press, 1923, Berkeley, Ca. 1923.

Variation in the Pattern of Predation-Induced Damage to Tadpole Tails
Blair, J. and R. J. Wassersug
Copeia. 2000(2):390-401. 2000.

Variation in the Pattern of Predator-Induced Damage to Tadpole Tails
Blair, J. and R. J. Wassersug
Copeia. 2000(2):390-401. 2000.

Variation in the Peruvian Dipsadine Snakes Sibynomorphus Oneilli and S. Vagus
Rossman, D. A. and D. A. Kizirian
Journal of Herpetology. 27(1):87-90. 1993.

THE VARIATION IN THE PHYSICAL TYPES OF THE PREHISTORIC PLAINS INDIANS
Bass, William M. III
Plains Conference, Lincoln. 1964.

VARIATION IN THE PLAINS POCKET GOPHER (GEOMYS BURSARIUS) ALONG A TRANSECT ACROSS KANSAS AND EASTERN COLORADO
Hendricksen, R
Kansas Academy of Science. 1973.

Variation in the Plastral Formulae of Selected Turtles with Comments on Taxonomic Utility
Lovich, J. E. and C. H. Ernst
Copeia. 1989(2):304-318. 1989.

Variation in the Polygonum Amphibium Complex and Its Taxonomic Significance
Mitchell, Richard S
Berkeley, Ca: University of California Press, 1968, Berkeley, Ca. 1968.

Variation in the Polygonum amphibium complex and its taxonomic significance / by Richard S. Mitchell
Mitchell Richard S
HARDCOVER Book-On-Demand Reprint from edition originally published Berkeley University of California Press 1968. il. 1968.

VARIATION IN THE POLYGONUM AMPHIBIUM COMPLEX & ITS TAXONOMIC SIGNIFICANCE
Mitchell,R.S
Berk. U.CA 1968,lst ed. 1968.

Variation in the Polygonum amphibium complex & its taxonomic significance / by Richard S. Mitchell
Mitchell Richard S
Book-On-Demand Reprint from edition originally published Berkeley University of California Press 1968. il. 1968.

Variation in the Porcupine (genus Erethizon) in Canada
Anderson, R. M., & A. L. Rand
Toronto: 1943. 1943.

Variation in the Pygmy Mouse (Baiomys taylori) from Texas and Arizona, 1948, University of Michigan, Ann Arbor, Michigan, Contributions from the Laboratory of Vertebrate Biology, University of Michigan, Number 40 : pages 1-7 with 3 tables
Blair, W. F. and Blossom, P. M
University of Michigan, Ann Arbor, Michigan.

Variation in the Quail-dove Geotrygon frenata. : (Fieldiana. Zoology: Volume 39, part 50; Pub. no.922)
Blake, E. R., Hoy, G., F. Contino
Field Museum, Chicago, IL. 1961.

Variation in the Rare Lizard Barisia Rudicollis (Wiegmann) (Anguidae) with Description of a New Species from Central Mexico
ZaldVvar-RiverVn, A. and A. Nieto-Montes de Oca
Herpetologica. 58(3):313-326. 2002.

Variation in the Ribbed Frog, Ascaphus Truei Stejneger
Metter, D. E
Copeia. 1967:634-649. 1967.

Variation in the Ribbed from Ascaphus Truei Stejneger
Metter, D. E
Copeia. 1967:634-649. 1967.

Variation in the Scale and Color Pattern of the Wandering Garter Snake, in Utah and Southern Idaho
Tanner, W. W
Herpetologica. 6:194-196. 1950.

Variation in the Schell of Chrysemys Picta Belli from Southern Saskatchewan
MacCulloch, R. D
Journal of Herpetology. 15(2):181-185. 1981.

VARIATION IN THE SIZE OF FOXES IN SCOTLAND
Kolb,H.H
London J.Linn.Society Sept.1978. 1978.

The Variation in the Sizes
PRICE-JONES,Cecil
1910.

VARIATION IN THE SKINKS OF THE skiltonianus GROUP
Rodgers, T.L., H.S. Fitch

Variation in the Skinks (Reptilia: Lacertilia) of the Skiltonianus Group
RODGERS, T.L. AND H.S. FITCH
-. 1947.

Variation in the skinks (Reptilia: Lacertilia) of the skiltonianus group / by Thomas L. Rodgers and Henry S. Fitch
Rodgers Thomas Lathan
HARDCOVER Book-On-Demand Reprint from edition originally published Berkeley University of California Press 1947. il. 1947.

Variation in the skinks (Reptilia: Lacertilia) of the skiltonianus group / by Thomas L. Rodgers and Henry S. Fitch
Rodgers, Thomas Lathan
UMI distributed by BCI, reprint from original publisher.

Variation in the skinks (Reptilia: Lacertilia) of the skiltonianus group / by Thomas L. Rodgers & Henry S. Fitch
Rodgers Thomas Lathan
Book-On-Demand Reprint from edition originally published Berkeley University of California Press 1947. il. 1947.

VARIATION IN THE SKINKS (REPTILIA; LACERTILIA) OF THE SKILTONIANUS GROUP
RODGERS T.L. & FITCH H.S

VARIATION IN THE SKULL AND HORNS OF THE ISABELLA GAZELLE
Miller, Gerrit S., Jr
GPO, D.C.

Variation in the Snake, Thamnophis Macrostemma Kennicott
Brumwell, M. J
Transactions of the Kansas Academy of Sciences. 42:423-429. 1939.

Variation in the Snake Tretanorhinus Nigroluteus Lateralis in Belize with Notes on Breeding Tubercles
Henderson, R. W. and L. G. Hoevers
Herpetologica. 35(3):245-248. 1979.

Variation in the Songs of Song Sparrows
Harris, M. A
American Zoologist. 15(3):804. 1975.
ISBN 0000031569

Variation in the Spire Index of some Coiled Gastropod Shells and Its Evolutionary Significance: Philosophical Transactions of the Royal Society of London- Volume 277, Number 956, 28 March 1977
Cain, A. J
RSL, London, 1977. 1977.

Variation in the Spontaneous Activity of Peromyscus, as Shown by Recording Wheels
Dice, Lee R. and Sherman A. Hoslett
University of Michigan, Ann Arbor. 1950.

Variation in the Spontaneous Activity of Peromyscus, as Shown by Recording Wheels, 1950, University of Michigan, Ann Arbor, Michigan, Contributions from the Laboratory of Vertebrate Biology, University of Michigan, Number 47 : pages 1-18 with 1 figure and
Dice, L. R. and Hoslett, S. A
University of Michigan, Ann Arbor, Michigan.

Variation in the Sternal Notches of Suboscine Passeriform Birds, 1967, Yale Peabody Museum of Comparative Zoology, Postilla, 105 : 1-44
Heimerdinger, M. A
Yale Peabody Museum of Comparative Zoology.

Variation in the Structure of Poecilia Gillii Populations
Chapman, L. J. and C. A. Chapman
Copeia. 1992(3):908-914. 1992.

Variation in the Tree Frog Hyla Lacasteri
Trueb, L
Copeia. 1968(2):285-299. 1968.

Variation in the Tree Frog Hyla lancasteri, 1968, American Society of Ichthyologists and Herpetologists, Copeia, 1968, Number 2 : pages 285-299 with 11 figures and 2 tables
Trueb, L
American Society of Ichthyologists and Herpetologists.

Variation in the Vertebral Axis of the Ambystomidae
Stokely, P. S. and P. A. Holle
Herpetologica. 9:133-138. 1953.

Variation in the western Atlantic clinid fish Malacoctenus triangulatus: with a revised key to the Atlantic species of Malacoctenus
Springer Victor Gruschka
Book-On-Demand Reprint from edition originally published: Washington Smithsonian Institution Press 1975. Illus. 1975.

Variation in the western Atlantic clinid fish Malacoctenus triangulatus: with a revised key to the Atlantic species of Malacoctenus / Victor G. Springer and Martin F. Gomon
Springer, Victor Gruschka
UMI distributed by BCI, reprint from original publisher.

VARIATION IN THE WESTERN ATLANTIC CLINID FISH MALACOCTENUS TRIANGULATUS WITH A REVISED KEY TO THE ATLANTIC SPECIES OF MALACOCTENUS
Springer, V. & M. Gomon
Smithsonian Institution. 1975.

Variation in the Wood-Mouse, Peromyscus leucopus, from Several Localities in New England and Nova Scotia, 1939, University of Michigan, Ann Arbor, Michigan, Contributions from the Laboratory of Vertebrate Genetics, University of Michigan, Number 9 : pages
Dice, L. R
University of Michigan, Ann Arbor, Michigan.

Variation in the Wood-Mouse, Peromyscus Leucopus Noveboracensis, in the Northeastern United States, 1937, University of Michigan Press, University of Michigan, Ann Arbor, Michigan, Occasional Papers of the Museum of Zoology, University of Michigan, Number
Dice, L. R
University of Michigan Press, University of Michigan, Ann Arbor, Michigan.

Variation in Three Sympatric Sibling Species of Whiptail Lizards, Genus Cnemidophorus
Wright, J. W
Journal of Herpetology. 1(1-4):1-20. 1968.

Variation in Two Broods of Farancia Abacura Reinwardti Schlegel (Serpentes: Colubridae) from Louisiana
Hahn, D. E. and L. D. Wilson
Journal of the Ohio Herpetological Society. 5(4):159-160. 1966.

Variation in Two Species of Lucidella from Jamaica
BROWN, A.P
-. 1913.

Variation in Two Sympatric Whiptail Lizards (Cnemidophorus Inornatus and C. Velox) in New Mexico
Wright, J. W
Southwestern Naturalist. 11(1):54-71. 1966.

Variation in Use of Hospital Care: An Empirical and Theoretical Analysis of Differences in the Duration of Hospital Stay
G.P. Westert
Van Gorcum and Comp BV. 1992.
ISBN 9023227107

Variation in Venom Samples from Copperheads (Agkistrodon Contortrix Mokeson) and Timber Tattlesnakes (Crotalus Horridus Horridus)
Minton, S. A
Copeia. 1953(4):212-215. 1953.

Variation in Verse
Brown, John Grace
Philadelphia: Branden Press. 1975.
ISBN 0828315485

Variation in Western Atlantic Gobiid Fishes of the Genus Evermannichthys
Gilbert, C. R. and G. H. Burgess
Copeia. 1986(1):157-165. 1986.

Variation in Western Logperches (Pisces: Percidae), with Description of a New Subspecies from the Ozarks
Morris, M. A. and L. M. Page
Copeia. 1981(1):95-108. 1981.

VARIATION IN WEST INDIAN FLICKERS (AVES, COLAPTES)
Short, L
University of Florida, Gainesville, FL. 1965.

Variation in West Indian Flickers (Aves, Colaptes), 1965, Florida State Museum, University of Florida, Gainesville, Bulletin of the Florida State Museum, Biological Sciences, Volume 10, Number 1 : pages 1-42 with 2 figures and 4 tables
Short, L. L
Florida State Museum, University of Florida, Gainesville.

Variation in Woodhouse's Toad, Bufo Woodhousei Girard in South Dakota
Underhill, J. C
Copeia. 1961(3):333-336. 1961.

Variation in Working Memory
Andrew Conway
ISBN 0195168631

Variation in Writing: Functional and Linguistic-Cultural Differences (Paper)
Carl H. Frederiksen
Lawrence Erlbaum. 1981.
ISBN 0898591589

VARIATION, ITS EXTENSION AND APPLICATION TO PROBLEM-SOLVING
Rich, Barnett
Cambridge: Eagle Enterprises. 1951.

Variation I Webbdiskussion: En Fallstudie Av Kontext, Funktion Och Form I
ISBN 9517652267

Variation (Learning Science)
Renner, John W.; Stafford, Don G.; Coulter, Vivian Jensen
Macmillan Publishing, New York, NY, U.S.A. 1977.

Variation, Life History, and Taxonomic Status of the Fukien Green Pondfrog, Rana Fukienensis Pope
Ting, H.-P
Copeia. 1951:120-126. 1951.

Variation & linguistic theory
Bailey Charles James Nice
Book-On-Demand Reprint from edition originally published: Arlington VA : Center for Applied Linguistics c1973. 1973.

Variation Method in Quantum Chemistry
Epstein, Saul T
ACADEMIC PRESS INC@.
ISBN 0122405501

Variation Modale Dans Les Subordonnees a Temps Fini Du Francais Moderne (Approche Syntaxique)
Louis Lalaire
Lang, Peter Publishing. 1998.
ISBN 3906759776

The Variation of a Newly-Arisen Species of Medua. With Two Plates. (Science Bulletin of the Museum of the Brooklyn Institute of Arts and Sciences, v. 1#1)
Mayer, Alfred Goldsborough
Brooklyn: 1901. 1901.

The Variation of Animals and JPlants Under Domestication
Charles Darwin
D. Appleton and Company, New York and London. 1915.

THE VARIATION OF ANIMALS AND PLANTS UNDER DOMESTICATION
Charles Darwin
NY: Appleton. 1876.

The Variation of Animals and Plants under Domestication
Charles Robert Darwin
BookSurge Publishing.
ISBN 1421269414