375 - GAIDY (Charles). Ephemeras "mayflies". Naturals and Artificials.

GAIDY (Charles). Ephemeras "mayflies". Naturals and Artificials. Cergy, Edicom ; 1986 ; in-4 hardback. 333 pp. Full brown cloth in dust jacket. Illustrated with vignette on upper cover. Numerous photos by Thomas Earnhardt, black and color plates based on drawings by the author. Text in English.