Original: Liederbuch Heft 1. Einst haben die Kerls auf den Baumen gehockt. Voice sheet music. Liederbuch Heft 1 edited by Beate Dapper.
Translation: Songbook Volume 1. Songbook Volume 1 edited by Beate Dapper. For voice. This edition. BUND 71135. Saddle-stitch. 12th revised edition, 1996.