Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2013)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2014)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2015)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2016)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1893)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1921)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1875)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1876)

Bulletin of the Geological Society of America - Geological Society of America. (The Society], 1919)

Bulletin of the Liverpool Museums under the City Council - Forbes, Henry O. (Henry Ogg), 1851 -1932 (1898)

Bulletin of the Liverpool Museums under the City Council - Forbes, Henry O. (Henry Ogg), 1851 -1932 (1897)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1918)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1930)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1931)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1935)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1941)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1973)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1979)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1983)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1985)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1986)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1991)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1992)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1997)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1999)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 2001)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 2007)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1880)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1876)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1896)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1916)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1916)

Bulletin - Peabody Museum of Natural History. (The Museum, 1955)

Bulletin Scientifique / Académie Impériale des Sciences de Saint Petersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Académie Impériale des Sciences de Saint Pétersbourg, 1837)

Bulletin - Smithsonian Institution. (G.P.O, 1932)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1907)

Bulletins de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1860)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1949)

Burma, its people and productions; or, Notes on the fauna, flora, and minerals of Tenasserim, Pegu, and Burma - Theobald, W. (William), 1829 -1908 (S. Austin, 1882)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1901)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1912)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1914)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1916)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1919)

C. Plinii Secundi Historiae mundi libri XXXVII - Camers, Joannes, 1447 -1546 (Per Hier. Frobenium, et Nic. Episcopium, 1554)

Cage birds and bird world (F. Carl, 1913)

Cage birds and bird world (F. Carl, 1916)

Caii Plinii Secundi Naturalis historiae : cum interpretatione et notis integris Iohannis Harduini itemque cum commentariis et adnotationibus Hermolai Barbari, Pintiani, Rhenani, Gelenii, Dalechampii, Scaligeri, Salmasii, Is. Vossii, I.F. Gronovii, et variorum : recensuit varietatemque lectionis adiecit Ioh. Georg. Frid. Franzius - Pliny, the Elder, 23 or 24 -79 (Impensis Guilielmi Gottlob Sommeri, 1779)

Caii Plinii Secundi Naturalis historiae : cum interpretatione et notis integris Iohannis Harduini itemque cum commentariis et adnotationibus Hermolai Barbari, Pintiani, Rhenani, Gelenii, Dalechampii, Scaligeri, Salmasii, Is. Vossii, I.F. Gronovii, et variorum : recensuit varietatemque lectionis adiecit Ioh. Georg. Frid. Franzius - Pliny, the Elder, 23 or 24 -79 (Impensis Guilielmi Gottlob Sommeri, 1778)

Caii Plinii Secundi Naturalis historiae : cum interpretatione et notis integris Iohannis Harduini itemque cum commentariis et adnotationibus Hermolai Barbari, Pintiani, Rhenani, Gelenii, Dalechampii, Scaligeri, Salmasii, Is. Vossii, I.F. Gronovii, et variorum : recensuit varietatemque lectionis adiecit Ioh. Georg. Frid. Franzius - Pliny, the Elder, 23 or 24 -79 (Impensis Guilielmi Gottlob Sommeri, 1785)

Caii Plinii Secundi Naturalis historiae : cum interpretatione et notis integris Iohannis Harduini itemque cum commentariis et adnotationibus Hermolai Barbari, Pintiani, Rhenani, Gelenii, Dalechampii, Scaligeri, Salmasii, Is. Vossii, I.F. Gronovii, et variorum : recensuit varietatemque lectionis adiecit Ioh. Georg. Frid. Franzius - Pliny, the Elder, 23 or 24 -79 (Impensis Guilielmi Gottlob Sommeri, 1791)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2009)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1921)

Caroli a Linné ... Systema vegetabilium secundum classes ordines genera species cum characteribus et differentiis - Persoon, C. H. (Christiaan Hendrik), 1755 -1837 (typis et impensis Io. Christ. Dieterich, 1797)

Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (Impensis Georg. Emanuel. Beer, 1788)

Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (Impensis Georg. Emanuel. Beer, 1791)

Caroli a Linné ... Systema vegetabilium :secundum classes, ordines, genera, species. Cum characteribus, differentiis et synonymiis - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Sumtibus J.G. Cottae, 1817)

Caroli a Linné ... Systema vegetabilium :secundum classes, ordines, genera, species. Cum characteribus, differentiis et synonymiis - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Sumtibus J.G. Cottae, 1819)

Caroli Clusii Atrebatis Rariorum aliquot stirpium :per Pannoniam, Austriam, & vicinas quasdam provincias observatarum historia, quatuor libris expressa - Clusius, Carolus, 1526 -1609 (Ex officina Christophori Plantini, 1583)

Caroli Linnaei ... Species plantarum :exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Linné, Carl von, 1707 -1778 (Impensis Direct. Laurentii Salvii, 1762)

Caroli Linnæi ... Species plantarum exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Linné, Carl von, 1707 -1778 (Impensis Laurentii Salvii, 1753)

Caroli Linnaei Systema, Genera, Species plantarum uno volumine : editio critica, adstricta, conferta, sive, Codex botanicus linnaeanus : textum linnaeanum intergrum ex omnibus Systematis, Generum, Specierum plantarum editionibus, mantissis, additamentis selectumque ex ceteris ejus botanicis libris digestum, collatum, contractum, cum plena editionum discrepantia exhibens - Linné, Carl von, 1707 -1778 (sumptum fecit O. Wigard, 1835)

Caroli Linnaei Systema, genera, species plantarum uno volumine : editio critica, adstricta, conferta, sive, Codex botanicus linnaeanus : textum linnaeanum integrum ex omnibus Systematis, Generum, Specierum plantarum editionibus, mantissis, additamentis selectumque ex ceteris ejus botanicis libris digestum, collatum, contractum, cum plena editionum discrepantia exhibens : in usum botanicorum practicum - Linné, Carl von, 1707 -1778 (Sumptum fecit O. Wigand, 1840)

Caroli Linnæi ... Systema vegetabilium - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (sumtibus Librariae Dieterichianae, 1827)

Caroli a Linné. Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (impensis Georg. Emanuel. Beer, 1788)

Caspari Bauhini Pinax Theatri botanici : sive Index in Theophrasti, Dioscoridis, Plinii et botanicorum qui à seculo scripserunt opera : plantarum circiter sex millium ab ipsis exhibitarum nomina cum earundem synonymiis & differentiis methodice secundum genera & species proponens : opus XL. annorum ... - Bauhin, Caspar, 1560 -1624 (Impensis Joannis Regis, 1671)

Cassell's book of birds - Brehm, Alfred Edmund, 1829 -1884 (Cassell, Petter and Galpin, 1875)

Cassell's book of birds : from the text of Dr. Brehm - Brehm, Alfred Edmund, 1829 -1884 (Cassell, Petter, and Galpin, 1869)

Catálogo de la familia Poaceae en la República Argentina - Zuloaga, Fernando O. (Missouri Botanical Garden, 1994)

Catálogo de las plantas vasculares de la República Argentina - Morrone, Osvaldo (Missouri Botanical Garden, 1999)

Catálogo de las plantas vasculares del Cono Sur : (Argentina, Sur de Brasil, Chile, Paraguay y Uruguay) - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2008)

Catalogo das aves do Brasil e lista dos exemplares que as representam no Museu Paulista - Pinto, Oliveiro M. de Oliveira ([Museu Paulista], 1938)

Catálogo de la colección de aves del Museo Nacional (Museo Nacional, 1895)

Catalogo metodico degli uccelli europei - Bonaparte, Charles-Lucien, 1803 -1857 (J. Marsigli, 1842)

Catálogo sistemático de toda la fauna de Filipinas conocida hasta el presente - Elera, Casto de, 1852 - (Imprenta del colegio de Santo Tomás, 1895)

Catálogo sistemático de toda la fauna de Filipinas conocida hasta el presente - Elera, Casto de, 1852 - (Imprenta del colegio de Santo Tomás, 1896)

Catalogue des mollusques vivants, terrestres et aquatiques du Département de l'Ain - Locard, Arnould, 1841 -1904 (H. Georg; [etc., etc.], 1881)

Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History and including all species and subspecies known to occur in North America, Mexico, Central America, South America, the West Indies, and islands of the Caribbean Sea, the Galapagos Archipelago, and other islands which may properly be included on account of their faunal affinities - Field Museum of Natural History. (1918)

Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History and including all species and subspecies known to occur in North America, Mexico, Central America, South America, the West Indies, and islands of the Caribbean Sea, the Galapagos Archipelago, and other islands which may properly be included on account of their faunal affinities - Field Museum of Natural History. (1919)