Lexington, Heath Lexington Books 1970 .
xiii, 264 p 23 cm..

Place hold on International travel--international trade,

Lexington, Mass., Heath Lexington Books 1971 .
xvi, 118 p , A rev. German ed. published in 1975 under the title: Verrèuckte Welt. 23 cm..
0669743100 | 9780669743104

Place hold on Crazy states;