Part 3 of Volume VII of our series of primary material on the Trans-Mississippi theater of the American Civil War consists of letters to the St. Louis REPUBLICAN about events in the Trnas-Mississippi during 1863. Covers the Van Buren (AR) Raid, Arkansas Post, various skirmishes in northeast Louisiana, Helena, Little Rock, Bayou Fourche, and Pine Bluff. Appendices include detailed orders of battle for Helena and Pine Bluff.