Content warning: The illustration and description of the mural (in Box 1, Folder 3) includes inaccurate, derogatory, and/or offensive depictions of people indigenous to the area.

The Mildred Duncan Warnecke Collection contains student group photographs; photo albums depicting family life, sports and leisure activities, rural scenes, and Normal School students; newsletters and student activities of the class of 1907; and reunion materials related to Gamma Sigma Nu sorority. The collection also contains copies of The Seal yearbook and The Signal newspaper. Warnecke came to acquire the photo albums created by Louise Woodruff Bush, likely through meeting Bush (older Gamma Sigma Nu member) at the sorority annual reunions. The collection spans 1906-2000, with most of the materials created between 1906-1969.