The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1909)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1901)

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, 1902)

Canada's biodiversity : the variety of life, its status, economic benefits, conservation costs and unmet needs - McAllister, Don E. 1934 - (1995)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1921)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1930)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1934)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1966)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2008)

Die Caprellidae der Siboga-expedition - Mayer, Paul, 1848 -1923 (Buchhandlung und druckerei vormals E. J. Brill, 1903)

Die caprelliden des golfes von Neapel und der angrenzenden meeres- abschnitte. Nachtrag zur monographie derselben von Paul Mayer - Mayer, Paul, 1848 -1923 (R. Friedländer & sohn, 1890)

Die caprelliden des golfes von Neapel und der angrenzenden meeres- abschnitte - Mayer, Paul, 1848 -1923 (Engelmann, 1882)

Cassell's natural history - Duncan, P. Martin (Peter Martin), 1821 -1891 (Cassell, Petter & Galpin, 1876)

Cassell's natural history - Duncan, F. Martin (Francis Martin), 1873 -1961 (Cassell and Co, 1913)

Cassell's natural history - Duncan, P. Martin (Peter Martin), 1821 -1891 (Cassell & Company, Limited, 1896)

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

Catalog of Recent type specimens in the Department of Invertebrates, American Museum of Natural History. 4, Crustacea, Isopoda - Boyko, Christopher B. (American Museum of Natural History, 1997)

Catalog of Recent type specimens in the Department of Invertebrates, American Museum of Natural History. 1, Micro-invertebrates (Phyla Sarcomastigophora, Gnathostomula, Gastrotricha, Rotifera, and Tardigrada) - Boyko, Christopher B. (American Museum of Natural History, 1994)

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

Catalogue of British Hymenoptera of the family Chalcididæ - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1910)

Catalogue of Crustacea in the collection of the British Museum. Part 1, Leucosiadæ - Gray, John Edward 1800 -1875 (Printed by order of the Trustees, 1855)

Catalogue of Lepidoptera Phalaenae in the British Museum - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1913)