By Robert Getchell. Edited by Thom Proctor. Instrumental method/supplement. Level: book 2. Published by Belwin.

(Level I (Piano Acc.)). By Fred Weber in collaboration with Major Herman Vincent. For Trumpet. Brass - B-Flat Cornet (Trumpet) Method or Collection; Method/Instruction. Student Instrumental Course. Elementary. Book. 48 pages. Published by Belwin Music

By Austyn R. Edwards, Nilo W. Hovey. Edited by Thom Proctor. Instrumental method/supplement (Trumpet). Level: book 2. 52 pages. Published by Belwin.