1913 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (De Giorgi Brothers, 1913)

1916 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (De Giorgi Brothers, 1916)

1917 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (De Giorgi Brothers, 1917)

1940 Ročenka - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (National Seed and Importing Company, 1940)

1956 price list of orchid plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin W. Gamble Orchid Nursery, 1956)

1985 Raptor Research Foundation symposium on the management of birds of prey : international meeting : [session abstracts] - U.S. Fish; Wildlife Service (Raptor Research Foundation, 1985)

1986 IUCN red list of threatened animals - IUCN Conservation Monitoring Centre. (International Union for Conservation of Nature and Natural Resources, 1986)

1988 IUCN red list of threatened animals (1988)

1990 IUCN red list of threatened animals (1990)

1994 IUCN red list of threatened animals (1994)

Abhandlung über die Pflanzenkunde in Böhmen - Šternberg, Kašpar, Graf, 1761 -1838 (G. Haase, 1817)

Abhandlungen der Königlichen Böhmischen Gesellschaft der Wissenschaften von den Jahren ... - Královská ceská spolecnost nauk. Trída mathematiko-prírodovedecká. (G. Haase, 1837)

Abhandlungen der Königlichen Böhmischen Gesellschaft der Wissenschaften von den Jahren ... - Královská ceská spolecnost nauk. Trída mathematiko-prírodovedecká. (G. Haase, 1841)

Abhandlungen der Königlichen Böhmischen Gesellschaft der Wissenschaften von den Jahren ... - Královská ceská spolecnost nauk. Trída mathematiko-prírodovedecká. (G. Haase, 1843)

Abhandlungen der mathematisch-naturwissenschaftlichen Classe der Königlich Böhmischen Gesellschaft der Wissenschaften vom Jahre ... = Rozpravy Trídy mathematicko-prírodovedecké Královské ceské spolecnost nauk zu roku ... - Královská ceská spolecnost nauk. Trída mathematiko-prírodovedecká. (Verlag der Kgl. Böhm. Gesellschaft der Wissenschaften, 1887)

Abhandlungen der mathematisch-naturwissenschaftlichen Classe der Königlich Böhmischen Gesellschaft der Wissenschaften vom Jahre ... = Rozpravy Trídy mathematicko-prírodovedecké Královské ceské spolecnost nauk zu roku ... - Královská ceská spolecnost nauk. Trída mathematiko-prírodovedecká. (Verlag der Kgl. Böhm. Gesellschaft der Wissenschaften, 1889)

Abstract of the proceedings of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1917)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1948)

African Ixodoidea. l. Ticks of the Sudan - Hoogstraal, Harry, 1917 -1986 (1956)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1929)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1937)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1949)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1953)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1955)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1956)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1962)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1964)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1965)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1969)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1973)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1974)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1978)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1979)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1986)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1988)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 2000)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 2003)

Allgemeines Polyglotten-Lexicon der Naturgeschichte mit erklaerenden Anmerkungen - Nemnich, Philipp Andreas, 1764 -1822 (Nemnich, 1793)

Anales científicos paraguayos - Bertoni, Moisés S. (1916)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1977)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1979)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1989)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 2015)

Analytical keys to the genera and species of the fresh water Algæ and the Desmidieæ of the United States, founded on the classification of the Rev. Francis Wolle's monographs - Stokes, Alfred C. (Alfred Cheatham) (E.F. Bigelow, 1893)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1981)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1982)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1983)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1992)

Annales - Františkovo museum. (Sumptibus Musei Franciscei, 1895)

Annales des sciences géologiques ou Archives de géologie, de minéralogie, de paléontologie (J.B. Baillière‎,, 1842)

Annali del Museo civico di storia naturale Giacomo Doria - Museo civico di storia naturale Giacomo Doria (Genoa, Italy) (Stab. tipo-litografico P. Pellas Fu L, 1994)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1923)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1916)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1922)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1926)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1928)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1978)

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1921)

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1922)

Annotated bibliographies on selected bird species inhabiting the California desert - Thelander, Carl G. ([S.l, 1979)

Annotated checklist of the birds of Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1976)

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Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1919)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1920)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1921)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1922)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1923)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1924)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1927)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1964)

Report of the United States Commissioner of Fisheries for the fiscal year ... with appendixes - United States. Bureau of Fisheries. (G.P.O, 1936)

Annual report of the director of the Museum of Comparative Zoölogy at Harvard College to the president of Harvard College for ... - Harvard University. Museum of Comparative Zoology. (Printed for the Museum, 1935)

The annual report of the Zoological and Acclimatisation Society of Victoria, and report of the annual meeting of the Society - Zoological; Acclimatisation Society of Victoria (Sands & McDougall, 1926)

The annual report of the Zoological and Acclimatisation Society of Victoria, and report of the annual meeting of the Society - Zoological; Acclimatisation Society of Victoria (Sands & McDougall, 1935)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1918)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1935)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1942)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1950)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1960)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1966)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1973)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1984)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1990)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1993)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 2000)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 2004)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1912)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1913)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1914)