The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1998)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 2013)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 2014)

Avifauna italica. Elenco delle specie di uccelli stazionarie o di passaggio in Italia, colla loro sinonimia volgare e con notizie più specialmente intorno alle migrazioni ed alla nidificazione - Giglioli, Enrico Hillyer, 1845 -1909 (Coi tipi dei successori Le Monnier, 1886)

Avifauna Macedonica : die ornithologischen Ergenisse der Forschungsreisen, unternommen nach Mazedonien durch Prof. Dr. Doflein und Prof. L. Müller ... in den Jahren 1917 und 1918 - Stresemann, Erwin, 1889 -1972 (Dultz & co, 1920)

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)

Balkanvögel : ein ornithologisches Tagebuch - Gengler, Josef, 1863 -1931 (H.A. Pierer, 1920)

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)

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)

Beiträge zur Rheinischen Naturgeschichte - Gesellschaft für Beforderung der Naturwissenschaften zu Freiburg i.B. (Herder'sche Verlagshandlung, 1849)

Berattelse om Framstegen i Vertebrerade Djurens Naturalhistoria och Ethnografien - Kungl. Svenska vetenskapsakademien. (1845)

Bericht der Naturforschenden Gesellschaft zu Bamberg - Naturforschende Gesellschaft zu Bamberg. ([J.M. Reindl], 1915)

Bericht der Senckenbergischen Naturforschenden Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1899)

Bericht der Senckenbergischen Naturforschenden Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1908)

Bericht des Naturhistorischen Vereins in Augsburg - Naturhistorischer Verein in Augsburg. (Der Verein, 1855)

Bericht des Naturhistorischen Vereins in Augsburg - Naturhistorischer Verein in Augsburg. (Der Verein, 1861)

Bericht des Westpreussischen Botanisch-Zoologischen Vereins - Westpreussischer Botanisch-Zoologischer Verein. (Das Verein, 1912)

Bericht des Westpreussischen Botanisch-Zoologischen Vereins - Westpreussischer Botanisch-Zoologischer Verein. (Das Verein, 1917)

Bericht des Westpreussischen Botanisch-Zoologischen Vereins - Westpreussischer Botanisch-Zoologischer Verein. (Das Verein, 1918)

Bericht des Westpreussischen Botanisch-Zoologischen Vereins - Westpreussischer Botanisch-Zoologischer Verein. (Das Verein, 1919)

Bericht über das Museum Francisco-Carolinum - Museum Francisco-Carolinum. (1854)

Bericht über das Museum Francisco-Carolinum - Museum Francisco-Carolinum. (1856)

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 (1882)

Bericht über die Senckenbergische Naturforschende Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1886)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1896)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1899)

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)

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 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)

Biblioteca Italiana (1835)

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)

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)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1894)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1907)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1909)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1914)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1919)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1918)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1872)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1887)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1890)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1892)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1902)

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)

La biodiversidad en Colima estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2016)

La biodiversidad en Jalisco estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2017)

Biodiversity journal (Edizioni Danaus, 2012)

Biodiversity trends and threats in Europe: development and test of a species trend indicator - de Heer, M. (RIVM, UNEP-WCMC, 2005)

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)

A biological investigation of the Athabaska-Mackenzie region - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. print. off, 1908)

BioRisk : biodiversity & ecosystem risk assessment (Pensoft, 2009)

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

Bird migration in the Mississippi Valley - Widmann, Otto (The American Field, 1883)

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

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1990)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1991)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1993)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1996)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1997)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1966)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1968)

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

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1974)

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

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

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2012)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2013)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2014)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2016)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2017)

The birds of Ayrshire and Wigtownshire - Gray, Robert, 1825 -1887 (T. Murray, 1869)

The birds of Berkshire and Buckinghamshire : a contribution to the natural history of the two counties - Kennedy, Alexander W. M. Clark (Alexander William Maxwell Clark), 1851 -1894 (Ingalton and Drake, 1868)

Birds of Cimarron National Grassland - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain, Forest and Range Experiment Station, 1996)

The birds of Dorsetshire; a contribution to the natural history of the county - Mansel-Pleydell, John Clavell, 1817 -1902 (R.H. Porter; [etc., etc, 1888)

Birds of Eastern and Southern Asia - Balfour, Edward, 1813 -1889 (s.n, 1873)

The birds of eastern North America known to occur east of the ninetieth meridian - Field Columbian Museum. (Printed for the Field Columbian Museum [by A. Mudge], 1899)

The birds of eastern Pennsylvania and New Jersey, with introductory chapters on geographical distribution and migration - Stone, Witmer. 1866 -1939 (Delaware Valley Ornithological Club, 1894)

The birds of Great Britain - Gould, John 1804 -1881 (Printed by Taylor and Francis, published by the author, 1873)

The birds of Greenland - Chamberlain, Montague, 1844 -1924 (Little, Brown and company, 1891)

The birds of Greenland - Hagerup, Andreas T. (Little, Brown and Company, 1891)

The birds of Illinois and Wisconsin - Cory, Charles B. (Charles Barney), 1857 -1921 (Field Museum of Natural History, 1909)

The birds of Illinois and Wisconsin - Cory, Charles B. (Charles Barney), 1857 -1921 (1909)

The birds of Indiana; a descriptive catalog of the birds that have been observed within the state, with an account of their habits - Butler, Amos W. (Amos William), 1860 -1937 (W. B. Burford, Contractor for State Printing, 1898)

The birds of Indiana : a descriptive catalog of the birds that have been observed within the state, with an account of their habits - Butler, Amos W. (Amos William), 1860 -1937 (W. B. Burford, Contractor for State Printing, 1898)

The birds of Indiana. A descriptive catalogue of the birds that have been observed within the state, with an account of their habits - Butler, Amos W. (Amos William), 1860 -1937 (Indiana Dept. of Geology and Natural Resources, 1898)

The birds of Indiana. A descriptive catalogue of the birds that have been observed within the state, with an account of their habits - Butler, Amos W. (Amos William), 1860 -1937 (1898)

The birds of Lincolnshire - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1955)

The birds of Long Island - Giraud, J. P. (Jacob Post), 1811 -1870 (Wiley & Putnam, 1844)

Birds of Marlborough; being a contribution to the ornithology of the district - Im Thurn, Everard Ferdinand, Sir, 1852 -1932 (Perkins, "Times" office; [etc., etc.], 1870)

Birds of Massachusetts - Allen, J. A. (Joel Asaph), 1838 -1921 (1864)

The birds of New Hampshire - Fox, Robert P. ([Nuttall Ornithological Club], 2013)

Birds of New York - Eaton, Elon Howard, 1866 -1934 (University of the State of New York, 1910)

The birds of Norfolk : with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1866)

The birds of Norfolk, with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1866)

The birds of Norfolk, with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1890)

The birds of North America : the descriptions of species based chiefly on the collections in the Museum of the Smithsonian Institution - Baird, Spencer Fullerton, 1823 -1887 (J.B. Lippincott & Co, 1860)

The birds of Ohio; a revised catalogue - Jones, Lynds, 1865 -1951 (Academy of Science, 1903)

The birds of our country - Stewart, H. E. (Digby, Long & Co, 1898)

The birds of our country - Stewart, H. E. (Digby, Long, 1897)

Birds of Pennsylvania. Provisional list, including natives, permanent residents, winter residents, spring and fall migrants, occasional visitants and "stragglers" or accidental visitants - Warren, Benjamin Harry, 1858 -1926

Birds of the British Isles - Duncan, John, of Newcastle upon Tyne. (W. Scott, 1898)

Birds of the British Isles - Duncan, John. (W. Scott, 1898)