The Jason voyage. The quest for the Golden Fleece

von Severin, Timothy
London : Hutchinson, 1985.
Umfang/Format: 262 p. : ill. ; 23 cm.

Vanishing primitive man.

von Severin, Timothy
London : Thames and Hudson, 1973.
Umfang/Format: 379 S. : Abb. Taf. ; 29 cm.