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 Texas; an annotated check-list - Strecker, John K. (John Kern), 1875 -1933 (The University, 1912)

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

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

Birds of the Huachuca mountains, Arizona - Swarth, Harry S. (Harry Schelwald), 1878 -1935 (The Club, 1904)

The birds of the Isle of Pines - Todd, W. E. Clyde (Walter Edmond Clyde), 1874 -1969 (1916)

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

Birds of the Kelley-Roosevelts expedition to French Indo-China - Bangs, Outram, 1862 -1932 (1931)

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 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 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 Co, 1898)

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)

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)

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

Bleeker papers, 1844-67 - Bleeker, P. (Pieter), 1819 -1878 (1844)

Boletim do Museu Goeldi (Museu Paraense) de Historia Natural e Ethnographia - Museu Goeldi. (Estabelecimento Graphice de C. Wiegandt, 1906)

Boletim do Museu Goeldi (Museu Paraense) de Historia Natural e Ethnographia - Museu Goeldi. (Estabelecimento Graphice de C. Wiegandt, 1907)

Boletim do Museu Goeldi (Museu Paraense) de Historia Natural e Ethnographia - Museu Goeldi. (Estabelecimento Graphice de C. Wiegandt, 1911)

Boletim do Museu Paraense de Historia Natural e Ethnographia (Museu Goeldi) - Museu Goeldi. (Typ. e Encadernação do Instituto Lauro Sodré, 1900)

Boletim do Museu Rocha (O Museu, 1911)

Boletin de la Academia Nacional de Ciencias en Córdoba, República Argentina - Academia Nacional de Ciencias (Córdoba, Argentina) (Academia Nacional de Ciencias, 1887)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1908)

Boletín de la Sociedad Physis - Sociedad Physis. (Coni, 1912)

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 della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1898)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1950)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1953)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1978)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1989)

Bonner zoologische Monographien (Zoologisches Forschungsinstitut und Museum Alexander Koenig, 1975)

Bonner zoologische Monographien (Zoologisches Forschungsinstitut und Museum Alexander Koenig, 1987)

Bonner zoologische Monographien (Zoologisches Forschungsinstitut und Museum Alexander Koenig, 2005)

Bonner zoologische Monographien (Zoologisches Forschungsinstitut und Museum Alexander Koenig, 2011)

Bonplandia. Zeitschrift für die gesammte Botanik - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (C. Rmpler, 1858)

Bonplandia. Zeitschrift für die gesammte Botanik - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (C. Rmpler, 1860)

A book of birds - Pycraft, W. P. (William Plane), 1868 -1942 (Sidney Appleton, 1908)

The boy with the U.S. naturalists - Rolt-Wheeler, Francis William, 1876 -1960 (Lothrop, Lee & Shepard Co, 1918)

Brasilische Säugethiere : Resultate von Johann Natterer's Reisen in den Jahren 1817 bis 1835 - Natterer, Johann, 1787 -1843 (A. Hr, 1883)

The breeding seasons of East African birds - Brown, Leslie, 1917 -1980 (East Africa Natural History Society, 1980)

Brehms thierleben, allgemeine kunde des thierreichs - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliographischen instituts, 1878)