General Correspondence, 1872 June-1900

Consists primarily of letters received by Cox, although some outgoing correspondence is included in the index and calendar. Correspondence is arranged in two subseries: 1. Calendared Correspondence and 2. Uncalendared Correspondence. The more than 600 calendared items are chronologically arranged. The 80 uncalendared items are arranged by recipient with the exception of 23 miscellaneous letters.