Recording dates:
Tracks 1 to 4: New York, December 10, 1929.
Tracks 5 to 8: New York. December 13, 1929.
Track 9: New York, January 24, 1930.
Tracks 10 and 11: New York, February 1, 1930.
Tracks 12 to 14: New York, April 5, 1930.
Tracks 15 to 18: New York, May 4, 1930.
Tracks 19 and 20: Los Angeles, July 21, 1930.
Tracks 21 and 22: Los Angeles, August 19, 1930.
Track 23: Los Angeles, October 9, 1930.