Tracks 1 to 4 recorded January 27, 1942
Tracks 5 to 11 recorded January 30, 1942
Track 12, 13 recorded on February 5, 1942
Track 14 to 17 recorded on December 28, 1945
Tracks 18 to 21 recorded on November 7, 1947
Track 22 to 25 recorded on November 8, 1