Biologische Untersuchungen Neue Folge ... - Retzius, Gustaf, 1842 -1919 (Samson & Wallin, 1909)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1886)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1895)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1896)

The bird flies, genus Carnus : species revision, generic relationships, and a fossil Meoneura in amber (Diptera, Carnidae) - Grimaldi, David A. (American Museum of Natural History, 1998)

Bird-life; being a history of the bird, its structure, and habits, together with sketches of fifty different species - Brehm, Alfred Edmund, 1829 -1884 (J. Van Voorst, 1874)

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

The bird-life of London - Dixon, Charles, 1858 -1926 (W. Heinemann, 1909)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1902)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1903)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1899)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1920)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1919)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1920)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1923)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1914)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1913)

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, 1992)

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 and their nests and eggs : found in and near great towns - Vos, George Herklots. (G. Routledge, 1907)

Birds I have kept in years gone by : with original anecdotes and full directions for keeping them successfully - Greene, W. T. (William Thomas) (L. Upcott Gill, 1885)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2010)

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, 2015)

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

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

Birds; a miscellaneous collection of 37 pamphlets about birds - Biological Society of Washington (1910-1913, 1914)

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

The birds of Britain : their distribution and habits - Evans, A. H. (Arthur Humble) (Cambridge University Press, 1916)

The birds of California : a complete, scientific and popular account of the 580 species and subspecies of birds found in the state - Finley, William L. (William Lovell), 1876 -1953 (South Moulton Company, 1923)

The birds of California : a complete, scientific and popular account of the 580 species and subspecies of birds found in the state - Brooks, Allan 1869 -1946 (South Moulton, 1923)

The birds of California; a complete, scientific and popular account of the 580 species and subspecies of birds found in the state - Finley, William L. (William Lovell), 1876 -1953 (South Moulton, 1923)

The birds of Cheshire - Coward, T. A. (Thomas Alfred), 1867 -1933 (Sherratt and Hughes, 1900)

The birds of Devon - Keulemans, J. G. (John Gerrard), 1842 -1912 (R.H. Porter, 1892)

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

The birds of Guernsey : and the neighboring islands Alderney, Sark, Jethou, Herm ; being a small contribution to the ornithology of the Channel Islands - Smith, Cecil, 1826 -1890 (R. H. Porter, 1879)

The birds of Ireland; an account of the distribution, migrations and habits of birds as observed in Ireland, with all additions to the Irish list - Ussher, Richard John, 1841 -1913 (Gurney and Jackson (successors to Mr. Van Voorst), 1900)

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

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)

The birds of Middlesex. A contribution to the natural history of the county - Harting, James Edmund, 1841 -1928 (J. Van Voorst, 1866)

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, 1914)

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

The birds of Oxfordshire - Aplin, O. V. (Oliver Vernon), 1858 -1940 (Clarendon Press, 1889)

The birds of Sherwood Forest : with notes on their habits, nesting, migrations, etc., being a contribution to the natural history of the country - Sterland, W. J. (L. Reeve & Co, 1869)

The birds of Somersetshire - Smith, Cecil, 1826 -1890 (John van Voorst, 1869)

The birds of Sussex - Borrer, William, 1814 -1898 (R.H. Porter, 1891)

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

Birds of the New York city region - Linnaean Society of New York ([American Museum of Natural History], 1923)

Birds of the world for young people - Knight, Charles Robert, 1874 -1953 (F.A. Stokes Company, 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: the elements of ornithology ; with 174 illustrations whereof 140 are original drawings - Mivart, St. George Jackson, 1827 -1900 (R.H. Porter, 1892)

Birdsnesting and bird-skinning : a complete description of the nests and eggs of birds which breed in Britain - Newman, Edward, 1801 -1876 (T.F. Unwin, 1888)

Blätter für Aquarien- und Terrarien-Kunde (1903)

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

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, 1878)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1879)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1882)

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, 1885)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1887)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1890)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1891)

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, 1905)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1973)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1981)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1985)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1988)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1992)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1994)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1896)

Bollettino della Societá romana per gli studi zoologici - Societá romana per gli studi zoologici. (La Societá, 1892)

Bollettino della Societá romana per gli studi zoologici - Societá romana per gli studi zoologici. (La Societá, 1893)

Bollettino della Societá romana per gli studi zoologici - Societá romana per gli studi zoologici. (La Societá, 1894)

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, 1903)

Bollettino della Società zoologica italiana - Società zoologica italiana. (La Società, 1907)

Bollettino della Società zoologica italiana - Società zoologica italiana. (La Società, 1900)

Bollettino della Società zoologica italiana - Società zoologica italiana. (La Società, 1909)

Bollettino scientifico - Università di Pavia. (Bizzoni, 1890)

Bollettino scientifico - Università di Pavia. (Bizzoni, 1893)

Bollettino scientifico - Università di Pavia. (Bizzoni, 1895)

Bollettino scientifico - Università di Pavia. (Bizzoni, 1897)

Bollettino scientifico - Università di Pavia. (Bizzoni, 1898)

Bonn zoological bulletin - Zoologisches Forschungsmuseum Alexander Koenig. (Zoologisches Forschungsmuseum Alexander Koenig, 2014)

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, 1951)

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, 1952)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1957)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1961)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1962)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1965)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1964)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1967)