The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1888)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1894)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1897)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1899)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1876)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1901)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1903)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1905)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1907)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1908)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1909)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1910)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1915)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1911)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1917)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1918)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1912)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1914)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1918)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1915)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1920)

An Australian bird book; a pocket book for field use - Leach, J. A. (John Albert), 1870 -1929 (Whitcombe & Tombs, 1912)

An Australian bird book : a pocket book for field use - Leach, J. A. (John Albert), 1870 -1929 (Whitcombe & Tombs, 1918)

The Australian naturalist - Naturalists' Society of New South Wales. (S.D. Townsend & Co, 1938)

The Australian zoologist - Royal Zoological Society of New South Wales. (Royal Zoological Society of New South Wales, 1925)

Aves de la Isla de Cuba - Lembeye, Juan. (Imprenta del Tiempo, 1850)

Aves de México : lista actualizada de especies y nombres comunes 2015 - Gómez de Silva, Héctor (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2015)

Aves polynesiae : a catalogue of the birds of the Polynesian subregion - Wiglesworth, Lionel W. (Lionel William), 1865 -1901 (R. Friedlaender & Sohn, 1891)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1904)

The avifauna of British India and its dependencies : a systematic account, with descriptions of all the known species of birds inhabiting British India, observations on their habits, nidification, &c., tables of their geographical distribution in Persia, Beloochistan, Afghanistan, Sind, Punjab, N.W. provinces, and the peninsular of India generally - Murray, James A., F.S.A.L. (Trübner, 1888)

The avifauna of Laysan and the neighbouring islands : with a complete history to date of the birds of the Hawaiian possessions - Rothschild, Lionel Walter Rothschild, Baron, 1868 -1937 (R.H. Porter, 1893)

Avium systema naturale. Das natürliche system der vögel mit hundert tafeln grösstentheils original-abbildungen der bis jetzt entdecken fast zwölfhundert typischen formen. Vorlaüfer einer iconographie der arten der vögel aller welttheile ... - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (Expedition der vollständigsten naturgeschichte, 1850)

Beached marine birds and mammals of the North American West Coast : a manual for their census and identification - U.S. Fish; Wildlife Service (The Service, 1980)

The Beagle. Supplement - Northern Territory Museum of Arts; Sciences (Northern Territory Museum of Arts and Sciences, 2009)

Beeton's Dictionary of natural history : a comprehensive cyclopaedia of the animal kingdom : containing upwards of two thousand complete and distinct articles - Beeton, Samuel Orchart, 1831 -1877 (Ward, Lock and Co, 1884)

Behavior and ecology of the rock iguana Cyclura carinata - Iverson, John B. (1977)

Beitrag zur fauna Centralpolynesiens. Ornithologie der Viti-, Samoa- und Tonga-inseln - Hartlaub, Gustav, 1814 -1900 (H. W. Schmidt, 1867)

Beitrag zur Osteologie des Vogelschwanzes : Inaugural-dissertation der philosophischen Fakultät der Universität Bern zur Erlangung der Doctorwürde - Oort, E. D. van (Eduard Daniël),‏ ‎ 1876 -1933 (E.J. Brill, 1904)

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1847)

Bernice P. Bishop Museum bulletin - Bernice Pauahi Bishop Museum. (Bishop Museum Press, 1922)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1909)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1910)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1915)

A bibliography of birds : with special reference to anatomy, behavior, biochemistry. Part 4, Finding index - Field Museum of Natural History. (Field Museum of Natural History, 1959)

A bibliography of birds : with special reference to anatomy, behavior, biochemistry. Part 3, Subject index - Field Museum of Natural History. (Field Museum of Natural History, 1946)

A bibliography of Protozoa, sponges, Coelenterata, and worms, including also the Polyzoa, Brachiopoda and Tunicata, for the years 1861-1883 - Thompson, D'Arcy Wentworth, 1860 -1948 (University Press, 1885)

A bibliography of Protozoa, sponges, Coelenterata, and worms, including also the Polyzoa, Brachiopoda, and Tunicata, for the years 1861-1883 - Thompson, D'Arcy Wentworth, 1860 -1948 (The University Press, 1885)

Bibliography to accompany "Selections from embryological monographs" compiled by Alexander Agassiz, Walter Faxon, and E.L. Mark. I, Crustacea - Agassiz, Alexander, 1835 -1910 (for the Museum, 1882)

Biblioteca Italiana (1820)

Biblioteca Italiana (1822)

Biblioteca Italiana (1840)

Bibliotheca chemico-mathematica: catalogue of works in many tongues on exact and applied science, with a subject-index - Henry Sotheran Ltd. (H. Sotheran, 1921)

Bibliotheca zoologica [I] Verzeichniss der schriften ©ơber zoologie, welche in den periodischen werken enthalten und vom jahre 1846-1860 selbst©Þndig erschienen sind. Mit einschluss der allgemein-naturgeschichtlichen, periodischen und paleontologischen schriften - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1861)

Bibliotheca zoologica [I] Verzeichniss der Schriften über zoologie, welche in den Periodischen werken enthalten und vom Jahre 1846-1860 selbständig erschienen Sind - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1861)

Bibliotheca zoologica II. verzeichness der schriften über zoologie welche in den periodischen werken enthalten und vom jahre 1861-1880 selbständig erschienen sind, mit einschluss der allgemein-naturgeschichtlichen, periodischen und paleontologischen schriften - Carus, Julius Victor, 1823 -1903 (Wilhelm Engelmann, 1887)

La biodiversidad en Michoacán estudio de estado 2 - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2019)

Biodiversitas - Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO) (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad, (CONABIO), 2015)

Biographisch-literarisches Handwörterbuch zur Geschichte der exakten Wissenschaften - Poggendorff, J. C. (Johann Christian), 1796 -1877 (J.A. Barth, 1863)

Biologia centrali-americana: Aves - Godman, Frederick Du Cane, 1834 -1919 (R.H. Porter], 1897)

Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1897)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1889)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1890)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1894)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1897)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1908)

The biologist's handbook of pronunciations - Jaeger, Edmund C. (Edmund Carroll) 1887 -1983 (Thomas, 1960)

The biology of marine animals - Nicol, J. A. Colin (Joseph Arthur Colin), 1915 - (Interscience Publishers, 1960)

The bird book, illustrating in natural colors more than seven hundred North American birds, also several hundred photographs of their nests and eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (C. K. Reed, 1914)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1919)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1922)

Birds - Heller, Edmund, 1875 -1939 (The Academy, 1904)

The birds and mammals of the western slope of the Azuero peninsula <republic of Panama> - Aldrich, John W. (John Warren), 1906 -1995 (1937)

Birds in Kansas - Thompson, Max C. (University of Kansas, Museum of Natural History, 1989)

The birds of Africa, comprising all the species which occur in the Ethiopian region - Sclater, William Lutley, 1863 -1944 (Published for the author by R.H. Porter (18 Princes Street, Cavendish Square, W.), 1896)

The birds of Australia - Lucas, A. H. S. (Arthur Henry Shakespeare) 1853 -1936 (Whitcombe and Tombs Limited, 1911)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1910)

The birds of Australia - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (H.F. & G. Witherby, 1912)

The birds of Australia - Broinowski, Gracius J. (Gracius Joseph), 1837 -1913 (C. Stuart & co, 1891)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1920)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1923)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1924)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1925)

The birds of British Guiana : based on the collection of Frederick Vavasour McConnell - Chubb, Charles, 1851 -1924 (Bernard Quaritch, 1916)