Correspondence, 1861-1864, of family members who served in the Civil War, including brothers William Baird (Co. C, 6th Michigan Cavalry and later Co. K, 23rd U.S. Colored Infantry) and Henry C. Baird (Co. L, 7th Michigan Cavalry), cousins William E. Baird (Co. E, 22nd Michigan Infantry) and Frederick Diem (Co. C, 6th Michigan Cavalry); other family correspondence of the Civil War era, a reminiscence by William Baird of his family history and Civil War experiences, and miscellanea. William Baird's reminiscence includes an account of his parentage, life on a farm in St. Clair County, early schooling and teaching experiences, and his experiences in the Civil War. He enlisted in Company C, 6th Michigan Cavalry in 1862, and was in winter camp in Washington. The highlights of his journal are the battle of Gettysburg, where he was wounded; studying in a Philadelphia hospital to become a commissioned officer; the granting of his commission through the help of Representative Francis W. Kellogg, and his assignment as first lieutenant to Company K, 23rd U. S. Colored Infantry.