The Ivan Sheets collection contains approximately 400 post cards of towns primarily in Poweshiek County, Iowa.  The are 334 post cards of Grinnell and 74 post cards of surrounding towns including Brooklyn, Malcom, Montezuma, Newton, and Oskaloosa.

Jim Cunningham donated a series of postcards with images of the Grinnell College campus that were for sale in Cunningham's Drug Store. Also included are two newspaper clippings regarding local Grinnell events.