The Periscope Supplements are smaller yearbooks that supplement the annual university yearbook the Periscope, during the years 1963 – 1972, 1975. The supplements provide information and photographs of end of spring semester, and into summer, school year activities, sports, commencement photographs, and campus projects and new campus buildings, as these events would not typically be featured in the annual Periscope.

Reports, correspondence, newspaper clippings, and fraternity publications related to the near riot occurring after the 10th Tornado Watch party of May 8, 1976, an annual off-campus party sponsored by the Tau Kappa Epsilon Iota Sigma Chapter at the University of Wisconsin--Eau Claire.