Part for piano (photocopy) is originally noted on the verso of "Idaho." 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.
I'd rather believe your eyes is contained in one folder consisting of 14 parts in Ab Major concert -- in ink and photocopy -- in unidentified hand.
Parts for 5 reeds - alto 1, alto 2, tenor 1, tenor 2, baritone; 3 trumpets - 1, 2, 3; 3 trombones - 1, 2, 3; bass; guitar; piano. Part for piano appears incomplete. -- from the Duke Ellington Library.