Pi Tau Sigma Mechanical Engineering Honor Fraternity Officers in their Heat and Power Lab - P. Swenson, J. Kriese, president; T. Voglewede, F. O'Keefe, and M. Edwards; photos by Charles Osborn [this photo was published in the 1968 Dome yearbook, page 123], 1967-1968

Pi Tau Sigma Mechanical Engineering Honor Fraternity Officers in their Heat and Power Lab - P. Swenson, J. Kriese, president; T. Voglewede, F. O'Keefe, and M. Edwards; photos by Charles Osborn [this photo was published in the 1968 Dome yearbook, page 123], 1967-1968, GDOM 011/20A, Box: GDOM 011, Folder: 20A. Notre Dame: Dome Yearbook Records, DOM. University of Notre Dame Archives. https://archivesspace.library.nd.edu//repositories/2/archival_objects/1236407 Accessed March 02, 2026.