Collection
- C and O for Progress (map)1
- C-SPAN records14,456
- C. A. Detrick Diary2
- C. A. Sprinkel and Co. Daybooks3
- C. B. Anderson Account Book2
- C. B. Anderson Records8
- C. B. Gardener Treasury Ledger2
- C. Barrett Graham papers1
- C. Batchelder Commonplace Book3
- C. C. Driver and Co. Ledger, I2
- C. C. Driver and Co. Ledger, II2
- C. Clement Clement Richardson World War II papers, copies1
- C. Cowen manuscript The Three Sentimentalities, Love, Revenge, and Rivalry1
- C. David Loeks Papers152
- C. E. Branscome Papers3