[en] [Gutenberg 10592] • Adventures in Friendship American Traveler Press
[en] [Gutenberg 10605] • Adventures in Contentment BiblioLife
[en] [Gutenberg 2479] • The Friendly Road: New Adventures in Contentment Renaissance House
[de] [Gutenberg 44243] • Zarastro: Westliche Tage HardPress
[de] [Gutenberg 46204] • Wege und Umwege HardPress
[fr] [Gutenberg 38643] • Bourdonnements Library of Alexandria
[en] [Gutenberg 42559] • The Story of Scotch Alpine Publications
[en] [Gutenberg 28562] • Wild Life on the Rockies University of Nebraska Press
[en] [Gutenberg 41897] • Chitta Ranjan Forgotten Books
[it] [Gutenberg 39469] • Questioni internazionali Forgotten Books
[it] [Gutenberg 41821] • Politica estera: memorie e documenti Forgotten Books