The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1902)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1904)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1906)

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, 1910)

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1913)

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1919)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1920)

Aus de Wanderjahren eines Naturforschers. Reisen und Forschungen in Afrika, Asien und Amerika ... Meist ornithologischen Studien - Hartert, Ernst, 1859 -1933 (R. Friedländer & Sohn [etc.], 1901)

Aus den tiefen des weltmeeres - Chun, Carl, 1852 -1914 (G. Fischer, 1903)

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, 1912)

Aves da Peninsula Iberica e especialmente de Portugal - Paulino d'Oliveira, M. (Imprensa da universidade, 1896)

Aves Hungariae : enumeratio systematica avium Hungariæ cum notis brevibus biologicis, locis inventionis virorumque a quibus oriuntur - Frivaldszky, János, 1822 -1895 (Typis Societatis Frankli, 1891)

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

Avian energetics - Nuttall Ornithological Club. (Nuttall Ornithological Club, 1974)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1900)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1909)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1927)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1948)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1954)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1965)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1977)

Avifauna der provinz Schlesien. Lft. 1-2 - Floericke, Kurt, 1869 -1934 (Universitäts-Buchdruckerei (C.L. Pfeil), 1892)

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)

The avifauna of Louisiana, with an annotated list of the birds of the State - Beyer, George E. (George Eugene), 1861 -1926 (1900)

Baby bird-finder ... by Harriet E. Richards and Emma G. Cummings - Cummings, Emma G., 1856 -1940 (W.A. Butterfield, 1906)

Beach grass - Townsend, Charles Wendell, 1859 -1934 (Marshall Jones Co, 1923)

Beiträge zur Vogelfauna der Mark Brandenburg. Materialen zu einer Ornithologie der norddeutschen Tiefebene auf Grund eigener Beobachtungen und darauf gegründeter Studien - Schalow, Herman, 1852 -1925 (Deutsche ornithologische Gesellschaft, 1919)

Beitrag zur Kenntnis der Vogelwelt Islands - Hantzsch, Bernhard Adolph, 1875 -1911 (R. Friedler & Sohn, 1905)

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)

Beiträge zur Kenntnis der Anatomie und Physiologie der Athemwerkzeuge bei den Vögeln - Baer, F. M. (W. Engelmann, 1896)

Bergens Museums aarbok - Bergens Museum. (The Museum, 1913)

Bergens Museums aarsberetning for - Bergens Museum. ([The Museum], 1885)

Bericht der Senckenbergischen Naturforschenden Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1902)

Bericht der Senckenbergischen Naturforschenden Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1903)

Bericht des Westpreussischen Botanisch-Zoologischen Vereins - Westpreussischer Botanisch-Zoologischer Verein. (Das Verein, 1909)

Bericht über das Zoologisches Museum zu Berlin - Zoologisches Museum in Berlin. (Verlag des Museums, 1898)

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

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1884)

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1882)

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1888)

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

Bericht über die Senckenbergische Naturforschende Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1884)

Bericht über die Senckenbergische Naturforschende Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1885)

Bering's voyages; an account of the efforts of the Russians to determine the relation of Asia and America - Stejneger, Leonhard, 1851 -1943 (American geographical society, 1925)

Bibliographia zoologiæ et geologiæ. A general catalogue of all books, tracts, and memoirs on zoology and geology - Agassiz, Louis, 1807 -1873 (Ray society, 1854)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1900)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1901)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1903)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1904)

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

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1913)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1914)

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

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1916)

Bibliographie anatomique (Berger-Levrault et Cie, 1901)

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 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 1, Author catalogue A to J - Field Museum of Natural History. (Field Museum of Natural History, 1939)

A bibliography of birds : with special reference to anatomy, behavior, biochemistry. Part 2, Author catalogue K to Z - Field Museum of Natural History. (Field Museum of Natural History, 1939)

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)

Bidrag til kundskaben om Danmarks fuglefauna - Collin, Jonas, 1840 -1905 (1888)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1873)

Bilder-Atlas zur wissenschaftlich-populären Naturgeschichte der Wirbelthiere - Fitzinger, Leopold Joseph, 1802 -1884 (Kaiserl. Koenigl. Hof- und Staatsdr, 1867)

Binomial and trinomial index to The auk, 1884-1940, also including the Nuttall bulletin, 1876-1883, and the A.O.U. check-list of North American birds (all seven editions) - Pollock, Andrew W. ([Andrew W. Pollock III], 2015)

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], 1879)

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

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1955)

A biological survey of the waters of Woods Hole and vicinity - United States. Office of Experiment Stations. (Govt. Print. Off, 1913)

The biology of birds - Thomson, J. Arthur (John Arthur), 1861 -1933 (Macmillan, 1923)

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

Biosphere Reserves, Compilation 4, October 1986: programme on man and the biosphere (MAB) (1986)

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)

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 (Doubleday, Page & company, 1915)

Bird guide : water birds, game birds and birds of prey - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page, 1916)

Bird guide : water birds, game birds and birds of prey east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (C. K. Reed, 1910)

Bird guide...east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & Co, 1910)

Bird life in arctic Norway : a popular brochure - Collett, Robert, 1842 -1913 (H.R. Porter, 1894)

Bird life in Labrador - Stearns, Winfrid Alden, 1852 -1909 (1890)

Bird life in Labrador - Stearns, Winfrid Alden, 1852 -1909 (s.n, 1890)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1914)

Bird notes and news - Royal Society for the Protection of Birds (Royal Society for the Protection of Birds, 1903)

Bird notes and news - Royal Society for the Protection of Birds (Royal Society for the Protection of Birds, 1914)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1989)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1970)

The bird rookeries of the Tortugas - Bartsch, Paul, 1871 -1960 (Govt. Print. Off, 1919)

Bird studies with a camera : with introductory chapters on the outfit and methods of the bird photographer - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1914)

Bird studies with a camera : with introductory chapters on the outfit and methods of the bird photographer - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1902)

Bird studies with a camera : with introductory chapters on the outfit and methods of the bird photographer - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1900)

Birds - Baird, Spencer Fullerton, 1823 -1887 (1858)

Birds from Moidart and elsewhere - Blackburn, Jemima, 1823 -1909 (David Douglas, 1895)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2011)

Birds' nests; an introduction to the science of caliology - Dixon, Charles, 1858 -1926 (G. Richards, 1902)

Birds of America - Pearson, T. Gilbert (Thomas Gilbert), 1873 -1943 (The University Society, 1923)

The birds of America : from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (J.B. Chevalier, 1844)

The birds of America, from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (G.R. Lockwood, 1871)

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

The birds of Berwickshire; with remarks on their local distribution migration, and habits, and also on the folk-lore, proverbs, popular rhymes and sayings connected with them - Muirhead, George. (D. Douglas, 1889)

The birds of Berwickshire; with remarks on their local distribution migration, and habits, and also on the folk-lore, proverbs, popular rhymes and sayings connected with them - Muirhead, George (David Douglas, 1895)

The birds of Breconshire - Phillips, Edward Cambridge, 1840 - (E. Davies, 1899)

Birds of Britain - Bonhote, J. Lewis (John Lewis), 1875 -1922 (A. and C. Black, 1907)