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

Bulletin - State Geological and Natural History Survey of Connecticut - State Geological; Natural History Survey of Connecticut. (State Geological and Natural History Survey of Connecticut, 1904)

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, 1886)

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

Bulletin - Vermont Bird Club (The Club, 1906)

Bulletin - Vermont Bird Club (The Club, 1907)

Bulletin - Vermont Bird Club (The Club, 1914)

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

California birds - California Field Ornithologists. (California Field Ornithologists, 1971)

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)

Camps in the Caribbees : the adventures of a naturalist in the Lesser Antilles - Lawrence, George N. (George Newbold), 1806 -1895 (Lee and Shepard, 1899)

Camps in the Caribbees: the adventures of a naturalist in the Lesser Antilles - Ober, Frederick A. (Frederick Albion), 1849 -1913 (Lee and Shepard, 1880)

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

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, 1922)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1933)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1935)

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, 1943)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1954)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1968)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1991)

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)

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

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)

Catalogos da fauna brazileira - Museu Paulista (Typ. do Diario oficial, 1907)

Catalogue = Catalog. Museum Godeffroy, Hamburg - Museum Godeffroy. (W. Mauke Söhne, L. Friedrichsen, 1879)

Catalogue de la bibliothèque - Bohnensieg, G. C. W. (Georg Carl Wilhelm), 1828 - (Héritiers Loosjes, 1885)

Catalogue des oiseaux de la province de Québec avec des notes sur leur distribution geographique - Dionne, C.-E. (Charles-Eusèbe), 1846 -1925 (Des presses de J. Dussault, 1889)

Catalogue des oiseaux de la province de Québec avec des notes sur leur distribution géographique - Dionne, C.-E. (Charles-Eusèbe), 1846 -1925 (s.n.], 1889)

Catalogue des oiseaux du Canada - Macoun, John, 1831 -1920 (Impr. du Gouvernement, 1909)

Catalogue des oiseaux du Canada - Geological Survey of Canada (Imprimerie du gouvernement, 1915)

Catalogue of birds, eggs and nests. Museum Greene Smith, Peterboro, N.Y., July 11, 1880 - Greene Smith Museum, Peterboro, N.Y. (s.n.], 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. (1927)

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. (1929)

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 Canadian birds - Geological Survey of Canada (Government printing bureau, 1909)

Catalogue of Canadian birds - Macoun, John, 1831 -1920 (Canada Dept. of Mines, Geological Survey Branch, 1909)

Catalogue of Canadian birds. Part II, birds of prey, woodpeckers, fly-catchers, crows, jays and blackbirds, including the following orders : raptores, coccyges, pici, macrochires, and part of the passeres - Geological Survey of Canada (S.E. Dawson, 1903)

Catalogue of Canadian birds. Part III, sparrows, swallows, vireos, warblers, wrens, titmice and thrushes, including the order : passeres after the icteridæ - Geological Survey of Canada (S.E. Dawson, 1904)

Catalogue of a collection of American birds - Sclater, Philip Lutley, 1829 -1913 (N. Trubner and Co, 1862)

Catalogue of a collection of birds belonging to H.B. Tristram ... - Tristram, H. B. (Henry Baker), 1822 -1906 (Printed at the "Advertiser" Office, 1889)

Catalogue of a collection of birds from Guatemala - Dearborn, Ned (1907)

Catalogue of a collection of books on ornithology in the library of John E. Thayer - Keyes, Virginia M. (Priv. print. by H. O. Houghton & co., Cambridge, Mass.], 1913)