Heinrichshofen's Verlag Trio-Spielbuch 2 Blockflöte, Playbook for recorder, Trio-playbook 1 for three recorders, Classical pieces arranged for 3 recorders (different instrumentations), Edited by Ulrich Herrmann, In standard notation, Easy to medium level of difficulty, ISMN 979-0-2045-3976-5, Publisher No. N 3976, Format: DIN A4, 40 Pages