"Material for the Supplement is arranged chronologically and geographically to correlate with the original War of Rebellion, official records of the Union and Confederate Armies, Series I"--Publisher's notice.
Includes index (pt. 1, v. 11-12).
Pt. 1. Reports (v. 1-12, serial 1-12) -- Pt. 2. Record of events (v. 1-80, serial 13-92) -- Pt. 3. (v. 1-3, serial 93-95) -- Index (v.1-5, serial 96-100)