Heinrich Henkel: Music (Sound)1967-04-07

Heinrich Henkel: Sound Re-Recording Mixer (Sound)1972-09-07

Heinrich Henkel: Music Sound Design and Processing (Sound)1973-11-01

Heinrich Henkel: Sound Re-Recording Mixer (Sound)1973-11-01

Heinrich Henkel: Sound Recordist (Sound)1969-10-30

Heinrich Henkel: Sound Re-Recording Assistant (Sound)1971-01-14

Heinrich Henkel: Music (Sound)1971-01-14

Heinrich Henkel: Sound Recordist (Sound)1968-05-16

Heinrich Henkel: Sound Re-Recording Mixer (Sound)1968-12-26

Heinrich Henkel: Sound Recordist (Sound)1971-02-25