- Dr. Richard Zallen Papers, 1940/20071
- Earl A. Thornton Papers, 1885/20001
- Edward C. Polhamus Papers, 1962/19861
- Edward H. Cahill Papers, 1909/19761
- Erwin Hoge Will Papers, 1918/19731
- Evert B. Clark Papers, 1948/19881
- F. Edward McLean Papers, 1950/19851
- Frank Horsfall, Jr., Papers, 1917/19731
- Frank J. Maher Papers, 1934/19861
- George Collins Papers, 1952/19931
- George Grigg and John Carnochan Papers, 1969/20151
- George W. Litton Papers, 1927/19831
- George William Christopher Papers, 1961/19911
- Gerhard Mansbach Collection of Technology Manuals, 1964/19941
- Harry W. Sanders Papers, 1913/19811