Willard, Arthur Cutts, 1878-1960; Kratz, Alonzo Plumsted, 1885-; Fahnestock, Maurice Kendall, 1900-(University of Illinois at Urbana Champaign, College of Engineering. Engineering Experiment Station., 1929)
Thornburn, Thomas Hampton; Liu, Thomas Kuan-hsien, 1930-; Misiaszek, E. T.(University of Illinois at Urbana Champaign, College of Engineering. Engineering Experiment Station., 1970)
Wong, A. Y. C.; Anderson, C. L.; Hilsdorf, Hubert K.(University of Illinois at Urbana Champaign, College of Engineering. Engineering Experiment Station., 1973)
Parr, Samuel Wilson, 1857-1931; Wheeler, Wilfrid Forrest(University of Illinois at Urbana Champaign, College of Engineering. Engineering Experiment Station., 1909)