- Blackley Family papers, 1830/20201
- Bob Bersson Papers, 1981/20171
- Booton-Modesitt Family Papers, 1809/1880, bulk 1820/18501
- Bosworth and Fling Family Papers, 1890/1960, bulk 1935/19571
- Brigadier General Andrew Lewis letter, 17761
- Bristow Family Papers, 1900/1973, bulk 1962/19671
- Brown Family Papers, 1836/19081
- Brown Family papers, 1872/19191
- C.M. Barnes Letters, 1926/19281
- Caley Family Papers, 1895/19681
- Captain Jimmie Slosson letters, 1925/19571
- Carl A. Rickert Papers, 1941/19571
- Carl Holmberg Letter, 19451
- Carl Laskey Letters, 19511
- Carl M. Bunker Letters, 1944/19451