Rowley, G. S., & Gable, F. K. (1973). An annotated catalog of rare musical items in the Libraries of the University of Iowa: Additions 1963-1972. University of Iowa.
Lua i Stíl Chicago (17ú heag.)Rowley, Gordon S., agus Frederick Kent Gable. An Annotated Catalog of Rare Musical Items in the Libraries of the University of Iowa: Additions 1963-1972. Iowa City: University of Iowa, 1973.
Lua MLA (8ú heag.)Rowley, Gordon S., agus Frederick Kent Gable. An Annotated Catalog of Rare Musical Items in the Libraries of the University of Iowa: Additions 1963-1972. University of Iowa, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.