Concerti 

Clarinet

Sheet music for "Concerto No. 2 for Clarinet and Orchestra" by William Thomas McKinley, showing orchestration and musical notes for various instruments including flutes, oboes, clarinets, bassoons, horns, and strings.
Blues Lament – Page 1
Black and white sheet music with handwritten annotations.

Flute

Concerto – Page 1

Piano

Sheet music titled 'Poem of Light' by William Thomas McKinley, a concerto for piano and chamber ensemble. Includes staves for flute, clarinet, percussion, piano, violin, viola, and violoncello. Published by Subito Music.