The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean sea, and the Galapagos Archipelago - Ridgway, Robert, 1850 -1929 (Govt. Print. Off, 1941)

Birds of North Carolina - Pearson, T. Gilbert (Thomas Gilbert), 1873 -1943 (Edwards & Broughton printing co., state printers, 1919)

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

Birds of Ontario - McIlwraith, Thomas, 1824 -1903 ([s.n.], 1903)

The birds of Ontario; being a concise account of every species of bird known to have been found in Ontario with a description of their nests and eggs and instructions for collecting birds and preparing and preserving skins, also directions how to form a collection of eggs - McIlwraith, Thomas. (T. F. Unwin, 1894)

The birds of Ontario; being a concise account of every species of bird known to have been found in Ontario, with a description of their nests and eggs, and instructions for collecting birds and preparing and preserving skins, also directions how to form a collection of eggs - McIlwraith, Thomas. (T. Fisher Unwin, 1894)

The birds of Ontario : being a list of birds observed in the province of Ontario, with an account of their habits, distribution, nests, eggs, &c - McIlwraith, Thomas, 1824 -1903 (Hamilton Association, 1886)

The birds of Ontario, being a list of birds observed in the province of Ontario, with an account of their habits, distribution, nests, eggs &c - McIlwraith, Thomas. (A. Lawson & co., printers, 1886)

The birds of Ontario, being a list of birds observed in the province of Ontario, with an account of their habits, distribution, nests, eggs &c - McIlwraith, Thomas, 1824 -1903 (A. Lawson & co., printers, 1886)

The birds of Ontario being a list of birds observed in the Province of Ontario, with an account of their habits, distribution, nests, eggs, &c - McIlwraith, Thomas, 1824 -1903 (Hamilton Association, 1886)

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 Porto Rico - Wetmore, Alexander, 1886 -1978 (U.S. Dept. of Agriculture, 1916)

The birds of South Africa - Sclater, William Lutley, 1863 -1944 (R. H. Porter, 1906)

The birds of South Africa - Sharpe, Richard Bowdler, 1847 -1909 (Bernard Quaritch, 1875)

The birds of South Africa : a descriptive catalogue of all the known species occurring south of the 28th parallel of south latitude - Layard, Edgar Leopold, 1824 -1900 (Juta, 1867)

The birds of South America - Swann, H. Kirke (Harry Kirke), 1871 -1926 (R. H. Porter [etc, 1912)

The birds of St. Vincent - Clark, Austin Hobart, 1880 -1954 (1904)

The birds of the Bahama Islands : containing many birds new to the Islands, and a number of undescribed winter plumages of North American birds - Cory, Charles B. (Charles Barney), 1857 -1921 (Estes & Lauriat, 1890)

Birds of the Bahama islands; containing many birds new to the islands, and a number of undescribed winter plumages of North American species - Cory, Charles B. (Charles Barney), 1857 -1921 (The author, 1880)

The birds of the Cambridge region of Massachusetts - Brewster, William, 1851 -1919 (The Club, 1906)

The birds of the Chicago area - Woodruff, Frank Morley (Jennings and Graham], 1907)

The birds of the Chicago area - Woodruff, Frank Morley (Printed by Jennings and Graham], 1907)

Birds of the Cleveland region; a check list of species reported within approximately 30 miles of the Cleveland Public Square - Cleveland Museum of Natural History (Cleveland Museum of Natural History, 1950)

Birds of the Colorado valley ... scientific and popular information concerning North American ornithology - Coues, Elliott, 1842 -1899 (Govt. Print. Off, 1878)

Birds of the Colorado valley ... scientific and popular information concerning North American ornithology - Coues, Elliott, 1842 -1899 (Gov't print. off, 1878)

The birds of the Connecticut valley in Massachusetts - Colburn, William W. (Clark W. Bryan, printer, 1891)

The birds of the district of Geelong, Australia - Belcher, Charles Frederic 1876 -1970 (W. J. Griffiths, 1914)

Birds of the Harold Hall Australian Expeditions, 1962-1970 : a report on the collections made for the British Museum (Natural History) - Hall, B. P. (Beryl Patricia) (Trustees of the British Museum, 1974)

Birds of the Humber District - Cordeaux, John. (Van Voorst, 1872)

The birds of the Japanese Empire - Seebohm, Henry, 1832 -1895 (R. H. Porter, 1890)

Birds of the Kansas City region - Harris, Harry, 1878 - (Academy of Sciences of St. Louis], 1919)

Birds of the Kansas City region - Harris, Harry, 1878 - (1919)

Birds of the Northwest: a hand-book of the ornithology of the region drained by the Missouri River and its tributaries - Coues, Elliott, 1842 -1899 (Govt. Print. Off, 1874)

Birds of the Rockies - Keyser, Leander S. (Leander Sylvester), 1856 -1937 (A. C. McClurg and co, 1902)

Birds of the United States east of the Rocky Mountains, a manual for the identification of species in hand or in the bush - Apgar, A. C. (Austin Craig), 1838 -1908 (American book company, 1898)

Birds of the West; an account of the lives and the labors of our feathered friends - Holmes, Charles Edgar (Hammond & Stephens co, 1907)

The birds of the West Indies : including all species known to occur in the Bahama Islands, the Greater Antilles, the Caymans, and the Lesser Antilles, excepting the islands of Tobago and Trinidad - Cory, Charles B. (Charles Barney), 1857 -1921 (Estes & Lauriat, 1889)

The birds of the west of Scotland : including the outer Hebrides, with occasional records of the occurrence of the rarer species throughout Scotland generally - Gray, Robert, 1825 -1887 (T. Murray & Son, 1871)

Birds of the White-Fuller Expedition to Kenya, East Africa - Oberholser, Harry C. (Harry Church), 1870 -1963 (Cleveland Museum of Natural History, 1945)

Birds of the world for young people - Knight, Charles Robert, 1874 -1953 (F.A. Stokes Company, 1909)

Birds of the world; a popular account - Ridgway, Robert, 1850 -1929 (Holt, 1909)

The birds of Tunisia; being a history of the birds found in the regency of Tunis - Whitaker, Joseph Isaac Spadafora, 1850 - (R.H. Porter, 1905)

Birds of western New York : with notes - Short, Ernest H. (A.M. Eddy, 1893)

The birds of Yorkshire : being a historical account of the avi-fauna of the County - Boyes, F. (A. Brown, 1907)

The birds of Yorkshire : being a historical account of the avi-fauna of the county - Boyes, F. (A. Brown, 1907)

Birds protected by federal law - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1966)

Birds that hunt and are hunted; life histories of one hundred and seventy birds of prey, game birds and water fowls - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday & McClure co, 1899)

Birds: the elements of ornithology ; with 174 illustrations whereof 140 are original drawings - Mivart, St. George Jackson, 1827 -1900 (R.H. Porter, 1892)

Blood immunity and blood relationship; a demonstration of certain blood-relationships amongst animals by means of the precipitin test for blood - Nuttall, George Henry Falkiner, 1862 -1937 (University press, 1904)

Boletín del Instituto Geográfico Argentino - Instituto Geográfico Argentino. (1896)

Boletim biológico (A Sociedade, 1933)

Boletin de la Academia Nacional de Ciencias en Córdoba, República Argentina - Academia Nacional de Ciencias (Córdoba, Argentina) (Academia Nacional de Ciencias, 1916)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1927)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1957)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1981)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1920)

Boletín del Museo Nacional de Chile - Museo Nacional de Chile. (Museo Nacional de Chile, 1912)

Boletín del Museo Nacional de Chile - Museo Nacional de Chile. (Museo Nacional de Chile, 1913)

Boletín del Museo Nacional de Chile - Museo Nacional de Chile. (Museo Nacional de Chile, 1920)

Bollettino dei musei di zoologia ed anatomia comparata della R. Università di Torino - Università di Torino. Musei di zoologia ed anatomia comparata. (Accame, 1900)

Bollettino del naturalista : collettore, allevatore, coltivatore, acclimatatore - Brogi, Sigismondo, 1851? -1899 (Ufficio, 1881)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1883)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1903)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1907)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1892)

Bollettino della Societá romana per gli studi zoologici - Societá romana per gli studi zoologici. (La Societá, 1897)

Bollettino della Societá romana per gli studi zoologici - Societá romana per gli studi zoologici. (La Societá, 1898)

Bollettino della Società zoologica italiana - Società zoologica italiana. (La Società, 1905)