- Evert B. Clark Papers, 1948/19881
- F. Edward McLean Papers, 1950/19851
- 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
- Henry J. Kelley Papers, 1948/19881
- Henry M. Morris Papers, 1937/19991
- Howard S. Avery Papers, 1913/19961
- Irving J. Good Papers, 1925/20041
- James Dean Collection, 1961/19881
- James J. Avitabile Papers, 1963/20011