Danimarca 1961
Milano: Humboldt Books, 2017. Softcover First Edition. Item #17456
Milano: Humboldt Books, 2017. Softcover First Edition. Item #17456
New York: Holt Reinhart Winston, 1967. Hardcover. Item #11389
Milano: Federico Motta Editore, 1993. softcover. Item #3128