Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalog of species in the polistine tribe Ropalidiini (Hymenoptera, Vespidae) - Kojima, Jun-Ichi, 1955 - (American Museum of Natural History, 1997)

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

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

Catalogue des espéces de l'ancien genre Scolia : contenant les diagnoses, les descriptions et la synonymie des espéces, avec des remarques explicatives et critiques - Saussure, Henri de 1829 -1905 (Henri Georg, 1864)

Catalogue des espéces de l'ancien genre Scolia, contenant les diagnoses, les descriptions et la synonymie des espéces, avec des remarques explicatives et critiques - Saussure, Henri de 1829 -1905 (Henri Georg, 1864)

Catalogue of British fossorial Hymenoptera, Formicidæ, and Vespidæ, in the collection of the British museum - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1858)

Catalogue of British Hymenoptera in the British museum - British Museum (Natural History). Department of Zoology. (Printed by the order of the Trustees, 1876)

Catalogue of British Hymenoptera in the British Museum. Part 1, Andrenidae and Apidae - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1891)

Catalogue of British Hymenoptera in the collection of the British Museum. Part I, Apidae - Bees - British Museum (Natural History) (1855)

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

A catalogue of British insects - Forster, Johann Reinhold, 1729 -1798 (printed by William Eyres, 1770)

Catalogue of hymenopterous insects in the collection of the British museum... - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1853)

Catalogue of hymenopterous insects in the collection of the British museum... - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1854)

Catalogue of hymenopterous insects in the collection of the British museum... - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1855)

Catalogue of hymenopterous insects in the collection of the British museum... - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1856)