Forster&Wohlfahrt – Die Schmetterlinge Mitteleuropas – vol. 1 Biologie der Schmetterlinge 302 pp. many b/w drawings – vol. 2 Tagfalter Diurna (Rhopalocera und Hesperiidae) 96 pp., 28 colour plates – vol. 3 Spinner und Shwarmer (Bombyces und Sphynges) 239 pp 26 colour and b/w plates – 1954/1960 – hard covers detached – vol. 3 in original wrappers