[Articles about birds from National geographic magazine] (National Geographic Society, 1900)

Atlante ornitologico : uccelli europei : con notizie d'indole generale e particolare - Arrigoni degli Oddi, Ettore, 1867 -1942 (U. Hoepli, 1902)

Atti della Società italiana di scienze naturali - Società italiana di scienze naturali. (Coi tipi di G. Bernardoni, 1881)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1886)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1887)

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

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

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

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory M 1876 -1949 (Witherby, 1922)

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

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

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

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

Der Bau der Vögel - Marshall, William, 1845 -1907 (J.J. Weber, 1895)

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)

Beitraege zur Ornithologie Griechenlands - Mühle, Heinrich Karl Leopold, Graf von der, 1810 -1855 (E. Fleischer, 1844)

Bericht der Naturforschenden Gesellschaft zu Bamberg - Naturforschende Gesellschaft zu Bamberg. (1852)

Bericht der Naturforschenden Gesellschaft zu Bamberg - Naturforschende Gesellschaft zu Bamberg. (1860)

Bericht der Naturforschenden Gesellschaft zu Bamberg - Naturforschende Gesellschaft zu Bamberg. ([J.M. Reindl], 1861)

Bericht des Naturhistorischen Vereins in Augsburg - Naturhistorischer Verein in Augsburg. (Der Verein, 1848)

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

Bericht des Naturwissenschaftlichen Vereins für Schwaben und Neuburg (a.V.) in Augsburg - Naturwissenschaftlicher Verein für Schwaben und Neuburg. (Die Verein, 1890)

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 (1888)

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, 1871)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1906)

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)

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 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, 1887)

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

Bilder-Atlas zum Conversations-Lexicon. Ikonographische Encyklopädie der Wissenschaften und Künste - Heck, J. G. (Johann Georg), 1857 (F.A. Brockhaus, 1849)

Die Binnenmollusken : der nördlich gemässigten Länder von Europa und Asien und der arktischen Länder - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (Für die Akademie in Commission bei Wilh. Engelmann, 1883)

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)

Biodiversity data journal (Pensoft Publishers, 2023)

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)

Biological investigation in Alaska and Yukon territory : I. East Central Alaska. II. The Ogilvie range, Yukon. III. The Macmillan River, Yukon - Osgood, Wilfred Hudson, 1875 -1947 (Government Printing Office, 1909)

A biological investigation of the Hudson Bay region - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. Print. Off, 1902)

A biological reconnaissance of the base of the Alaska peninsula - Osgood, Wilfred Hudson, 1875 -1947 (Government Printing Office, 1904)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1883)

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

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

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

Bird studies; an account of the land birds of eastern North America - Scott, William Earl Dodge, 1852 -1910 (G. P. Putnam's Sons, 1898)

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

The birds of Albany County; a catalogue of the species recorded in this vicinity with notes on their lives and habits, and brief field-marks for aid in identification - Judd, Wilbur Webster. ([Press of Brandow printing co.], 1907)

The birds of America : from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (J.B. Chevalier, 1840)

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

The birds of Canada : with descriptions of their habits, food, nests, eggs, times of arrival and departure - Ross, Alexander Milton, 1832 -1897 (Henry Rowsell, 1871)

The birds of Canada : with descriptions of their habits, food, nests, eggs, times of arrival and departure - Ross, Alexander Milton, 1832 -1897 (Rowsell, 1872)

The birds of Canada with descriptions of their plumage, habits, food, song, nests, eggs, times of arrival and departure - Ross, Alexander Milton, 1832 -1897 (Rowsell and Hutchison, 1872)

Birds of eastern Canada - Taverner, P. A. (Percy Algernon), 1875 -1947 (J. de L. Taché, Printer, 1919)

Birds of eastern Canada - Taverner, P. A. (Percy Algernon), 1875 -1947 (J. de L. Tachprinter, 1919)

Birds of eastern Canada - Taverner, P. A. (Percy Algernon), 1875 -1947 (Acland, 1922)

Birds of eastern Canada - Taverner, P. A. (Percy Algernon), 1875 -1947 (F. A. Acland, 1922)

The birds of eastern North America - Maynard, C. J. (Charles Johnson), 1845 -1929 (Maynard, 1881)

The birds of eastern North America : known to occur east of the ninetieth meridian - Cory, Charles B. (Charles Barney), 1857 -1921 (Field Columbian Museum, 1899)

The birds of eastern North America known to occur east of the ninetieth meridian - Field Museum of Natural History. (Bay State Pub. Co, 1900)

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 North America : with original descriptions of all the species which occur east of the Mississippi River, between the Arctic circle and the Gulf of Mexico, with full notes upon their habits, etc - Maynard, C. J. (Charles Johnson), 1845 -1929 (C.J. Maynard & co, 1896)

The birds of eastern North America : with original descriptions of all the species which occur east of the Mississippi River, between the Arctic circle and the Gulf of Mexico, with full notes upon their habits, etc - Maynard, C. J. (Charles Johnson), 1845 -1929 (C.J. Maynard & Co, 1872)

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 Europe - Lear, Edward, 1812 -1888 (Printed by R. and J.E. Taylor, pub. by the author, 1837)

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

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 India : being a natural history of all the birds known to inhabit continental India, with descriptions of the species, genera, families, tribes, and orders, and a brief notice of such families as are not found in India, making it a manual of ornithology specially adapted for India - Jerdon, T. C. (Thomas Claverhill), 1811 -1872 (Printed for the Author by the Military Orphan Press, 1862)

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 Iowa - Anderson, Rudolph Martin, 1876 -1961 (Davenport Academy of Sciences, 1907)

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

The birds of Maine; with key to and description of the various species known to occur or to have occured in the state, an account of their distribution and migration, showing their relative abundance in the various counties of the state as well as other regions, and contributions to their life histories - Knight, Ora Willis, 1874 -1913 ([printed by C. H. Glass & co.], 1908)

The birds of Manitoba - United States National Museum (G.P.O, 1891)

Birds of Massachusetts and other New England states - Forbush, Edward Howe, 1858 -1929 (Printed by Berwick and Smith Company], 1925)

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

Birds of Michigan - Cook, Albert John, 1842 -1916 (R. Smith & co., state printers and binders, 1893)

The birds of Montreal - Denne, David. (W. Drysdale & co, 1896)

The birds of Montreal - Denne, David. (W. Drysdale, 1896)

The birds of New England and adjacent states : ... arranged by a long-approved classification and nomenclature ... with illustrations of many species of the birds, accurate figures of their nests and eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Noyes, Holmes, and Co, 1875)

The birds of New England and adjacent states ... : arranged by a long-approved classification and nomenclature ... with illustrations of many species of the birds, and accurate figures of their eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Lockwood, Brooks, 1880)

The birds of New England and adjacent states : ... arranged by a long-approved classification and nomenclature ... with illustrations of many species of the birds and accurate figures of their nests and eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Noyes, Holmes, and company, 1872)

The birds of New England and adjacent states : containing descriptions of the birds of New England, and adjoining states and provinces, arranged by a long-approved classification and nomenclature ... with illustrations of many species of the birds, accurate figures of their nests and eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Noyes, Holmes, and company, 1875)

The birds of New England and adjacent states: containing descriptions of the birds of New England ... together with a history of their habitats ... ; with illustrations of many species of the birds, and accurate figures of their eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Noyes, Holmes, 1870)

The birds of New England and adjacent states containing descriptions of the birds of New England, and adjoining states and provinces, arranged by a long-approved classification and nomenclature; together with a history of their habits - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Noyes, Holmes, 1870)

The birds of New England - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Noyes, Holmes, 1870)

Birds of New York - Eaton, Elon Howard, 1866 -1934 (University of the State of New York, 1914)