20 etudes : for bass trombone with "F" attachment /

Bibliographic Details
Main Author:	Gillis, Lew
Format:	Musical Score Book
Published:	San Antonio, Tex. : Southern Music Co., [1965]
Subjects:	Trombone > Studies and exercises.

Description
Item Description:	Cover title.
Physical Description:	30 pages of music ; 28 cm.