France, 1961
Translation: Pierre Delaire
Publisher: Esdelvejso
Paperback, 22x16, b&w.
Canada, 1989
Translation: Pierre Delaire
ISBN: 0-15-246503’0
Publis: KanadaEsperanto-Asocio
hardcover, 23x19,colour
Canada, 2010
Translation: Pierre Delaire
ISBN: 978-2-9507376-5-6
Publis: KanadaEsperanto-Asocio
Hardcover, 23x18,colour