Euphonium Studies and Methods 

MT 418  general
MT 496  method books
MT 236  studies and exercises
MT 496.4  band excerpts

Selected Bibliography

Bone, Lloyd E. Jr. (ed.) Guide to the euphonium repertoire: the euphonium source book. Bloomington, IN: Indiana University Press, 2007.  Music reference shelf: ML128. B24 G84 2007

Werden, David. Euphonium music guide. Salem, CT: Cimarron Music Press, 2008. Music reference shelf: ML128. B24 W47 2006  

biography of Dr. Brian Bowman  https://euphonium.music.unt.edu/dr-brian-bowman