"Switzerland - Suiza (Spanish/English/Japanese Edition). Text by Franz auf der Maur. Edited by Franz auf der Maur and Horst Ziethen. Translation by Paul Hattle (Spanish), Pamela Bryson (English), and Minoru Okada (Japanese). 1991 paperback published by Ziethen-Panorama Verlag. Illustrated with numerous color photographs. Text in Spanish, English, and Japanese. 96 pages."
Switzerland Ein Bilderbuch /Un livre d'images /Un libro di immagini /A picture-book Renold, Martin; Dietz, Heinz and Eigstler, Siegfried द्वारा Martin Renold, Heinz Dietz, SiegfriedEigstler 93 पन्ने, प्रकाशित 1983 द्वारा At Verlag ISBN-13: 978-3-85502-161-1, ISBN: 3-85502-161-9