A collection of Alkire's original and published music, correspondence, and musical instruments, including four prototype Hawaiian guitars is housed at the Sousa Archives and Center for American Music at the University of Illinois at Urbana-Champaign.
In addition to the Sousa, Clarke and Harding material, there are papers and music by and about Harry Partch, Harry Begian, Salvatore Martirano, Pietro A. Cipollone, Elbern Alkire, Paul Martin Zonn, Kenneth Gaburo, Paul Bierley and Virginia Root.