Modèle:Calvert1893
De Odonates du Monde
Calvert P.P. 1893 - North American Odonata. Catalogue of the Odonata (Dragonflies) of the vicinity of Philadelphia, with an introduction to the study of this group of insects. Part 1. General account of Odonata. - Trans. amer. ent. Soc., 20 : 153-218.
