This collection contains the American Civil War diary of Private Merritt Hager Smith of Company G, 97th New York Infantry, a member of the regimental band. The diary entries span the entire year of 1863. The first entry finds Smith receiving orders to proceed to Belle Plain Landing, Virginia to assist Lt. Louis Rowan, the regiment's quartermaster. Smith describes his work, the relative comfort in which he lives, recreation, the weather, homesickness, prayer meetings, sutlers, and makes many references to frequent and excessive drinking by various officers. Smith mentions attending Lincoln's grand review of the 1st Army Corps on April 9. Later that month, the regiment began marching northwestward, frequently changing camp, and Smith writes of the difficulty in marching and the conditions of the various camps. On July 1, the regiment arrived in the Gettysburg, Pennsylvania area. Smith describes the area, provides a brief synopsis of the news he has heard from the battle and mentions speaking with a group of Confederate prisoners. As the army again moves to camps southeastward, Smith notes the many towns and villages through which they pass. He writes of news received via newspaper and word-of-mouth but makes few references to specific battles; nor does he make any significant mention of the regimental band's activities.