- CollectionPamphlet 40 - Departments (history, growth, etc)
- SeriesPamphlet 45 - Departments - Music
- Box45.3 pO - Oratorio Society, Orchestra
- 2 more...
- File45.3 Or3 - Orchestra Programs, to 1976
- File45.3 Or3 - Orchestra Programs, 1977-1991
- File45.3 Or3 - Orchestra Programs, 1991-May 1999
- File45.3 Or3 - Orchestra, Clippings
- File45.3 Or3p - Orchestra, Photographs
- File45.3 Or4 - Central Iowa Symphony