Subjects
- Opera--20th century[remove]2
- Programs (Publications)2
- Architects in art1
- Borthwick, Martha, 1869-1914--Drama1
- Chicago Civic Opera Company1
- Correspondence.1
- Hagen, Daron--Archives1
- La Scala1
- Metropolitan Opera (New York, N.Y.)1
- Music--20th century--History and criticism1
- Newspaper clippings1
- Opera singers--United States--Biography1
- Opera--Scores1
- Opera--United States1
- Performing arts--United States--History--20th century1
- Photographs.1
- Promotional materials1
- Roselle, Anne, 1898-19891
- San Carlo Opera Company1
- Scrapbooks.1