To reserve materials in advance of your library visit, place a hold using the Libraries’ online catalog at https://libcat.wichita.edu/.
Some Recommended Subject Headings:
Opera--20th century.
Operas--Analysis, appreciation.
Music--20th century--History and criticism.
Additionally search by Composer as a subject in the format: Last Name, First Name
Use Worldcat for finding items to request through Interlibrary Loan (Tipasa):