Studies on the structure & development of vertebrates - Goodrich, Edwin S. (Edwin Stephen), 1868 -1946 (Macmillan, 1930)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (C. Scribner's sons [printed at the Edinburgh press], 1896)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (Murray, 1892)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (C. Scribner's sons [printed at the Edinburgh press], 1892)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (Morang, 1902)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (C. Scribner's sons, [printed at the Edinburgh press,], 1917)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (C. Scribner's sons, 1906)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (Scribner, 1917)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (J. Murray, 1892)

A study of in vitro ovulation in the spadefoot toad, Scaphiopus holbrokki ... - Hansen, Keith Leyton, 1925 - (1955)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1966)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1991)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1995)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1997)

Stuttgarter Beiträge zur Naturkunde. Serie B, Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1980)

Stuttgarter Beiträge zur Naturkunde. Serie B, Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1989)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1999)

Stuttgarter Beiträge zur Naturkunde. Serie B, Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1990)

Stuttgarter Beiträge zur Naturkunde. Serie B, Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1991)

Stuttgarter Beiträge zur Naturkunde. Serie B, Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1993)

Stuttgarter Beiträge zur Naturkunde. Serie B, Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1994)

Stuttgarter Beiträge zur Naturkunde. Serie B, Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1999)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 2000)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 2008)

Summer institute in systematics at the Smithsonian Institution 25 June - 14 July 1967, in conjunction with American Society of Zoologists and Society of Systematic Zoology. Transcript of lectures (1968)

The survey of western Palestine. The fauna and flora of Palestine - Tristram, H. B. (Henry Baker), 1822 -1906 (The Committee of the Palestine Exploration Fund, 1884)

Survey on neurobiology. Bibliography of genetic neurology - National Research Council (U.S.). Committee on Neurobiology. (National Academy of Sciences-National Research Council, 1952)

Survey protocol for the northern leopard frog - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Resource Status and Assessment Branch, 2002)

Sveriges Podurider - Tullberg, Tycho, 1842 -1920 (P.A. Norstedt, 1872)

Syllabus of lectures on the vertebrata - Cope, E. D. (Edward Drinker), 1840 -1897 (For the University of Pennsylvania, 1898)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1981)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1985)

Synopsis avium : nouveau manuel d'ornithologie - Dubois, Alphonse, 1839 -1921. (H. Lamertin, 1902)

Synopsis avium : nouveau manuel d'ornithologie - Dubois, Alphonse, 1839 -1921. (H. Lamertin, 1904)

A synopsis of animal classification - Wilder, Harris Hawthorne, 1864 -1928 (H. Holt, 1902)

A synopsis of the Amphibia of California - Storer, Tracy I. (Tracy Irwin), 1889 -1973 (University of California Press, 1925)

Synopsis of the extinct Batrachia, Reptilia and Aves of North America - Cope, E. D. (Edward Drinker), 1840 -1897 (McCalla & Stavely, 1869)

Synopsis of the extinct batrachia, reptilia and aves of North America - Cope, E. D. (Edward Drinker), 1840 -1897 (American Philosophical Society, 1869)

A synopsis of the reptiles and amphibians of Illinois - Garman, Harrison, 1858 - (J. W. Franks, 1892)

Synoptic key to the phyla, classes, and orders of animals ; with particular reference to fresh-water and terrestrial forms of the moist temperate region in North America - Allee, W. C. (Warder Clyde), 1885 -1955 (The University of Chicago press, 1923)

A synoptic text-book of zoölogy, for colleges and schools - Weysse, Arthur Wisswald, 1867 - (Macmillan, 1904)

A synthesis of evolutionary theory - Ross, Herbert H. (Herbert Holdsworth), 1908 -1978 (Prentice-Hall, 1962)

System of ophthalmology - Duke-Elder, Stewart, Sir, 1898 -1978 (Mosby, 1958)

Systematic results of the study of North American land mammals to the close of the year 1900 - Miller, Gerrit S. Jr. (Gerrit Smith), 1869 -1956 (Society of Natural History, 1901)

Systematics and evolution of bats of the genus Glossophaga - Webster, William David (Texas Tech University Press, 1993)

Systematics of Litoria arfakiana of New Guinea and sibling species (Salientia, Hylidae) - Menzies, James I. (American Museum of Natural History, 1974)

Systematics of microhylid frogs, genus Oreophryne, from the north coast region of New Guinea - Menzies, James I. (American Museum of Natural History, 2003)

Systematics of microhylid frogs, genus Oreophryne, living at high elevations in New Guinea - Richards, Stephen J. (American Museum of Natural History, 2005)

Systematics of the Bufo coccifer complex (Anura: Bufonidae) of Mesoamerica - Mendelson, Joseph R. III, (Natural History Museum, University of Kansas, 2005)

Systematische Phylogenie ... - Haeckel, Ernst, 1834 -1919 (G. Reimer, 1895)