This collection consists of several documents pertaining to the 3rd Regiment Cavalry U.S. Colored Troops of Vicksburg, Mississippi and to First Lieutenant Frank C. Lovejoy of the 3rd Regiment. Many of the letters pertain to accusations made against Lovejoy about him improperly enlisting recruits and overstaying a leave of absence. Some letters praise his service, and some are letters of introduction and nominations for promotions. Almost all of the letters are signed by white officers in black regiments. The documents in the collection include a military circular, a military pass, and documents dealing with appraisals of captured horses. The collection also includes documents pertaining to Lovejoy's time as a carpetbagger in the South, including annual expenses of plantations and expenses of workers. There are also a few land contracts in the collection, along with a poem about Civil War soldiers. The collection dates between June 7, 1863, and March 23, 1879.