Bulletin of the United States National Museum - United States National Museum (G.P.O, 1883)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1881)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1892)

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, 1901)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1904)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1911)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1902)

Bulletin of the Wisconsin Natural History Society - Wisconsin Natural History Society. (The Society, 1903)

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

Bulletin - Peabody Museum of Natural History. (The Museum, 1970)

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, 1905)

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

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

Bulletin - United States. Bureau of Entomology. (G.P.O, 1886)

California condors in the 21st century - American Ornithologists' Union. (Nuttall Ornithological Club, 2007)

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 nests and eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson Book Co, 1914)

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

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

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

Cassinia - Delaware Valley Ornithological Club (Delaware Valley Ornithological Club, 1912)

Cassinia - Delaware Valley Ornithological Club (Delaware Valley Ornithological Club, 1916)

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

Catalogue des collections ornithologiques en vente chez - Bouvier, Aimé. (A. Bouvier, 1874)

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

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. (1919)

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. (1934)

Catalogue of Canadian birds - Geological Survey of Canada (Printed by S. E. Dawson, 1904)

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)

A catalogue of Canadian birds, By Montague Chamberlain - Chamberlain, Montague, 1844 -1924 (J. & A. McMillan, 1887)

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)

A catalogue of Canadian birds : with notes on the distribution of the species - Chamberlain, Montague, 1844 -1924 (J. & A. McMillan, 1887)

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