This envelope dated March 2, 1864 bears documents for J.D. Clarke's attendance at the Free Military School for applicants wishing to command colored regiments.

Sheet of rules, regulations, and instructions for attending the Free Military School.

Official notification of J.D. Clarke's acceptance into the Free Military School.

Note of introduction from the Supervisory Committee for Recruiting Colored Regiments giving J.D. Clarke permission to attend the Free Military School.