Handwriting and other details have been reported based on the notes of David Berger, Andrew Homzy, Dr. Theodore Hudson, Walter van de Leur, and Dr. Mark Tucker.
Devil's hole is contained in one folder consisting of 1 part in Eb Major concert (?) -- in ink -- in unidentified hand (Whaley?).
Part for 1 reed - alto 1. Part is noted on the top of the last sheet of an untitled conductor score. The first two pages of the untitled conductor score are noted on the verso of parts for "Push out." -- from the Duke Ellington Library.