- CollectionArchives/RG-TR - RG-TR: Trustees of Iowa (Grinnell) College
- Series1 - Minutes
- Subseries1 - Executive Committee of Trustees. Minutes
- Item1 - 1860-1876
- Item2 - August 1876 - February 1886
- Item3 - February 1886 - September 1902
- Item4 - October 1902 - June 1911
- Item5 - July 1928 - February 1944 (p. 1-340 of Trustee Minutes)
- Item6 - July 1928 - February 1944 (p.1-456 of Trustee Minutes)