- CollectionPamphlet 40 - Departments (history, growth, etc)
- Série organiquePamphlet 45 - Departments - Music
- 45.3 pO - Oratorio Society, Orchestra
- 3 en plus...
- Dossier45.3 Or3 - Orchestra Programs, 1977-1991
- Dossier45.3 Or3 - Orchestra Programs, 1991-May 1999
- Dossier45.3 Or3 - Orchestra, Clippings
- Dossier45.3 Or3p - Orchestra, Photographs
- Dossier45.3 Or4 - Central Iowa Symphony