- ColecciónArchives/RG-O - RG-O: College Organizations 1958-
- Serie9 - Sesquicentennial committee
- Subserie2 - Videocassettes
- Subserie1 - Grinnell Stories
- Subserie2 - Joseph Wall and Alan Jones. Celebrating Grinnell's Traditions: 1890s and 1960s.
- Subserie3 - Sesquicentennial dinner prior to The Waltz.
- Subserie4 - Grinnell College on celluloid, compiled by Adam Bleier, '96