Guide to the euphonium repertoire : the euphonium source book / compiled and edited by Lloyd E. Bone, Jr. and Eric Paull under the supervision of R. Winston Morris
Bloomington, IN : Indiana University Press, c2007
MUSIC Ref ML128.B24 G83 2007
An annotated bibliography of selected contemporary euphonium solo literature by American composers / by David Miles
[U.S.] : Tuba Press, c1992
MUSIC ML128.B24 M5 1992
The tuba family / by Clifford Bevan. 2nd ed. rev., enl. and updated.
Winchester : Piccolo, 2000
MUSIC ML970.B48 2000
University of Iowa music source book : wind and percussion materials / [faculty members of the University of Iowa School of Music]
[Iowa City] : Paul Anderson, 1986
MUSIC Ref ML128.W5 I48 1986x
ITEA journal, v. 29 (2002)- ML1.T82
T.U.B.A. Journal, v. 4 (1976)-28 (2001) ML1.T82
See also:
Brass bulletin--the Library has selected volumes between 1983 and 2003 ML5.B6864
M - Scores
M110.B33--Solo euphonium or baritone music
M270.B37--Music for euphonium or baritone and piano
M1034.B37, M1134.B37--Baritone or euphonium with orchestra and string orchestra (includes full scores and solos with piano arrangements)
ML - Music Literature
ML128.B24--Euphonium music: Bibliography
ML970-973--Books about the tuba, baritone, etc.
MT - Instruction and Study
MT496--Methods, etudes, orchestra studies, etc. for baritone or euphonium
Euphonium music
Euphonium and piano music
Suites (Euphonium and piano)
Concertos (Euphonium)
Concertos (Euphonium with band)
...and there are more. Do a subject search for "euphonium" and see the 37 different subject headings that begin with "euphonium."
Euphonium music--Bibliography
Euphonium music--Discography
Euphonium--History
... and more. Search "euphonium" in the library catalog and find 12 books, 32 recordings and 84 scores.