Boas and other non-venomous snakes /
Frank, Werner.
Friese, U. Erich.
Reigate T.F.H.
1979
Text, col. ill. on lining papers
Translation with additional material of: 'Schlangen in Terrarium : Haltung und pflege ungiftiger Schlangen'. Stuttgart : Franckh'sche Verlagshandlung, 1978
Snakes as pets.