Unsigned book: Descriptive Key to the Painting of Longstreet's Assault at the Battle of Gettysburg (July 3, 1863) Historically Arranged by John B. Bachelder, and Painted by James Walker. Embracing a Brief Outline of the Battle, Showing Relative Positions of the Contending Forces, and Explaining the Points of Local and Military Interest Delineated by the Artist. With Appendix. Containing Private Letters and Official Reports From Both Armies, Showing the Authorities for the Painting; With a Complete Index of the Officers and Troops Mentioned. First edition. NY: privately printed, 1870. Hardcover handsomely bound in faux leather cloth with gilt decorations, 7.25 x 11, 94 pages. The interesting book features a short history of the battle, engraved portraits of its participants, facsimile testimonial letters, and a fold-out illustrated key to Walker's painting. In fine condition.