Bulletin - Peabody Museum of Natural History. (The Museum, 1971)

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

Bulletin Biological series - University of Montana (Missoula) (University of Montana, 1901)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1910)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1911)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1912)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1896)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1909)

Bulletin - Vermont Bird Club (The Club, 1914)

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. (1879)

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. (1886)

Bumblebees and their ways - Plath, O. E. (Otto Emil), 1885 -1940 (The Macmillan Company, 1934)

The butterflies of North America; third series - Edwards, William H. (William Henry), 1822 -1909 (Houghton, Mifflin, 1897)

The butterflies of the eastern United States and Canada with special reference to New England - Scudder, Samuel Hubbard, 1837 -1911 (S.H. Scudder, 1889)

C. Plinii Secvndi Historiae mvndi libri XXXVII. Vetustissimorum codicum collatione maiore quàm antehac studio, fide, & religione à vitiis quibus multiplici olim impressione contaminati fuer?t, vindicati, atq; in quatuor tomos dispertiti, quor? hic primvs octo libros complectitur - Pliny, the Elder, 23 or 24 -79 (apud hæredes Iacobi Iuntae, 1560)

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)

California birds - California Field Ornithologists. (California Field Ornithologists, 1970)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1991)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1899)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1900)

The Canadian bird book illustrating in natural colors more than seven hundred North American birds : also several hundred photographs of their nest and eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson, 1914)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1880)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1919)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1920)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1924)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1927)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1929)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1936)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1937)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1942)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1943)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1946)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1949)

The Canadian handbook and tourist's guide : giving a description of Canadian lake and river scenery and places of historical interest, with the best spots for fishing and shooting - Small, H. Beaumont (Henry Beaumont), 1832 -1919 (M. Longmoore, 1867)

The Canadian handbook and tourist's guide, giving a description of Canadian lake and river scenery and places of historical interest, with the best spots for fishing and shooting - Small, H. Beaumont (Henry Beaumont), 1832 -1919 (M. Longmoore & Co)

The Canadian handbook and tourist's guide ; giving a description of Canadian lake and river scenery and places of historical interest with the best spots for fishing and shooting - Small, H. Beaumont (Henry Beaumont), 1832 -1919 (M. Longmoore & co, 1867)

The Canadian handbook and tourist's guide, giving a description of Canadian lake and river scenery and places of historical interest, with the best spots for fishing and shooting - Small, H. Beaumont (Henry Beaumont), 1832 -1919 (M. Longmoore & Co, 1866)

The Canadian naturalist : a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (John van Voorst, 1840)

The Canadian naturalist : a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (Coles, 1971)

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1862)

The Canadian naturalist and quarterly journal of science : with proceedings of the Natural History Society of Montreal - Natural History Society of Montreal. (Dawson, 1870)

The Canadian naturalist : a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (J. Van Voorst, 1840)

The Canadian naturalist a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (John Van Voorst, 1840)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1888)

The Canadian sportsman and naturalist - Couper, William, 1886 ([s.n.], 1881)

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

Carl von Linné, Vollständiges Natursystem - Linné, Carl von, 1707 -1778 (bey Gabriel Nicolas Raspe, 1773)

Caroli a Linné ... Systema naturæ per regna tria naturæ, secundum classes, ordines, genera, species; cum characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (apud J.B. Delamolliere, 1789)

Caroli a Linné ... Systema naturae : per regna tria natura, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Impensis direct. Laurentii Salvii, 1766)

Caroli a Linné ... Systema naturae : per regna tria natura, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Impensis direct. Laurentii Salvii, 1767)

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)

Caroli Illigeri D. Acad. Reg. Scient. Berolinens. et Bavaricae Sod. Museo Zoologico Berolin. praefecti professoris extraord. Prodromus systematis mammalium et avium : additis terminis zoographicis utriusque classis, eorumque versione germanica - Illiger, Johann Karl Wilhelm, 1775 -1813 (Sumptibus C. Salfeld, 1811)

Caroli Illigeri ... Prodromus systematis mammalium et avium additis terminis zoographicis utriusque classis, eorumque versione germanica - Illiger, Johann Karl Wilhelm, 1775 -1813 (sumptibus C. Salfeld, 1811)

Caroli Linnaei Entomologia, faunae Suecicae descriptionibus aucta : DD. Scopoli, Geoffroy, de Geer, Fabricii, Schrank, &c., speciebus vel in systemate non enumeratis, vel nuperrime detectis, vel speciebus Galli australis locupletata, generum specierumque rariorum iconibus ornata; curante & augente Carolo de Villers ... - Linné, Carl von, 1707 -1778 (Sumptibus Piestre et Delamolliere, 1789)

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)

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)

Cassell's natural history The feathered tribes (A. Montgomery, 1854)

Cassell's natural history - Duncan, P. Martin (Peter Martin), 1821 -1891 (Cassell & Company, Limited, 1891)

Cassinia - Delaware Valley Ornithological Club (Delaware Valley Ornithological Club, 1901)

Cassinia - Delaware Valley Ornithological Club (Delaware Valley Ornithological Club, 1905)

Catalog der Lepidopteren des palaearctischen Faunengebietes - Staudinger, Otto, 1830 -1900 (1901)

Catalogo das aves do Brasil: e lista dos exemplares existentes na colecao do Departamento de Zoologia. 2a Parte: Ordem PASSERIFORMES (continuacao): Superfamilia Tyrannoidea e Subordem PASSERES - Pinto, Oliverio Mario de Oliveira (Departamento de Zoologia, 1944)

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

Catálogo de la colección de peces del Museo Nacional - Museo Nacional de México. (Imprenta del Museo Nacional, 1896)

Catalogo de las aves observadas en la isla de Cuba hasta octubre de 1850 - Lembeye, Juan.

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