Literature
  • , 1982
  • The Butterflies of Scandinavia in nature. Skandinavisk Bogforlag, Odense.
  • 1995
  • Die Tagfalter der TÜrkei. Deel 1 t/m 3. Selbstverlag Wagener, Bocholt.
  • , 1970
  • A fieldguide to the butterflies and moths of Britain and Europe. Collins, London.
  • 1964
  • Prodromus Lepidopter Slovenska. Vydavatel'stvo Slovenkej Akaömie Vied, Bratislava.