Bericht des Westpreussischen Botanisch-Zoologischen Vereins - Westpreussischer Botanisch-Zoologischer Verein. (Das Verein, 1922)

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

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1884)

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, 1869)

Bericht über die Senckenbergische Naturforschende Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1883)

Bericht über die Senckenbergische Naturforschende Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1884)

Bericht über die Senckenbergische Naturforschende Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1885)

Bericht über die Senckenbergische Naturforschende Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1892)

Berichte der Naturforschenden Gesellschaft zu Freiburg i. Br - Gerhardt, K., (1894)

Berichte des "Vereins Schlesischer Ornithologen" - Verein Schlesischer Ornithologen. (Der Verein, 1904)

Berichte des "Vereins Schlesischer Ornithologen" - Verein Schlesischer Ornithologen. (Der Verein, 1906)

Bibliographia zoologiæ et geologiæ. A general catalogue of all books, tracts, and memoirs on zoology and geology - Agassiz, Louis, 1807 -1873 (Ray society, 1852)

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

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1897)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1900)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1901)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1911)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1914)

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)

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)

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)

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)

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)

Bibliothèque Universelle des Sciences, Belles-Lettres et Arts - Université de Genève. (Université de Genève, 1838)

Bidrag til kundskaben om Danmarks fuglefauna - Collin, Jonas, 1840 -1905 (1888)

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, 1889)

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)

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

Die Bildungsgesetze der Vogeleier in histologischer und genetischer Beziehung und das Transmutationsgesetz der organismen - Seidlitz, Georg (Wilhelm Engelmann, 1869)

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 biodiversité mondiale - Musée Canadien De La Nature. (Musée canadien de la nature, 1996)

Biodiversity journal (Edizioni Danaus, 2011)

Biodiversity journal (Edizioni Danaus, 2012)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1962)

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

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1890)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1906)

Biologisches Zentralblatt (G. Thieme, 1917)

Biologisches Zentralblatt (G. Thieme, 1919)

Biologisches Zentralblatt (G. Thieme, 1922)

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-hunting through wild Europe - Lodge, R B (D. Appleton, 1909)

Bird-hunting through wild Europe - Lodge, R. B. (Robert Culley, 1908)

Bird-keeping. A practical guide for the management of singing and cage birds - Dyson, C. E. (F. Warne and co, 1889)

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. (Macmillan Co, 1920)

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

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1909)

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 (1968)

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, 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' nests; an introduction to the science of caliology - Dixon, Charles, 1858 -1926 (G. Richards, 1902)

The birds of Berwickshire; with remarks on their local distribution migration, and habits, and also on the folk-lore, proverbs, popular rhymes and sayings connected with them - Muirhead, George. (D. Douglas, 1889)

The birds of Berwickshire; with remarks on their local distribution migration, and habits, and also on the folk-lore, proverbs, popular rhymes and sayings connected with them - Muirhead, George (David Douglas, 1895)

The birds of Breconshire - Phillips, Edward Cambridge, 1840 - (E. Davies, 1899)

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 Calcutta - Finn, Frank, 1868 -1932 (Thacker, Spink, 1917)

The birds of Calcutta - Finn, Frank, 1868 -1932 (Thacker, Spink & co, 1904)

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

The birds of Dumfriesshire : a contribution to the fauna of the Solway area - Gladstone, Hugh S. (Hugh Steuart), 1877 -1949 (Witherby & Co, 1910)

The birds of Essex: a contribution to the natural history of the country - Christy, Miller, 1861 -1928 (E. Durrant & Co.; [etc., etc.], 1890)

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

Birds of Great Britain and Ireland. Order Passeres - Frohawk, Frederick William, 1861 -1946 (Brumby & Clarke, 1907)

Birds of Great Britain and Ireland, Order Passeres, complete in two volumes - Frohawk, Frederick William, 1861 -1946 (Caxton Pub. Co, 1907)

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 Hampshire and the Isle of Wight - Kelsall, J. E. (Witherby, 1905)

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)

The birds of London - Swann, H. Kirke (Harry Kirke), 1871 -1926 (Sonnenschein, 1893)

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

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 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, 1904)

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

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

The birds of the British Isles and their eggs. First series, Comprising families Corvidae to Sulidae - Coward, T. A. (Thomas Alfred), 1867 -1933 (F. Warne, 1919)

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

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

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)

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

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)

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