Gaidy (Charles) Ephemeras "Mayflies"

Gaidy (Charles) Ephemeras "Mayflies" Naturals and Artificials,limited edition, illustrations, some colour, publisher's letter loosely inserted, original cloth, gilt, with colour illustration mounted on upper cover, dust-jacket, New York, Edicom, 1986 Knopp (Malcolm) and Robert Cormier. Mayflies: An Angler's Study of Trout Water Ephemeroptera, illustrations, signed by the author and artist on half-title, original cloth, dust-jacket, Montana, 1997 Edmunds (George F.) The Mayflies of North and Central American, illustrations, original pictorial cloth, Minneapolis, 1976 Stalcup (S.) Mayflies "Top to Bottom", colour illustrations, signed by the author on title, original boards, Oregon, 2002, v.s.(4)