The Hiram Fain Diary is a transcript of Fain's observations between October 21, 1850 and February 28, 1870. In the diary, Hiram Fain relates his day-to-day activities including planting and harvesting at Spring Vale Farm, legal activities such as preparing wills, working at the bank, and caring for livestock. He also describes weather conditions, astronomical events, an earthquake in 1861, the sale of slaves, the illness and death of family and friends, and local events and news. In his daily accounts during the war, Fain notes the news received from battles and federal activity in East Tennessee, providing insight into the difficulties experienced by Confederate sympathizers in East Tennessee following the war. The diary was transcribed in 1994 by John N. Fain.