The Plains & The Rockies A Critical Bibliography.1800-1865. Fourth Edition Revised, Enlarged, And Edited By Robert H. Becker. Wagner, Henry R., Camp, Charles L.

San Francisco: John Howell Books, 1982 Thick large 8vo, xx, 745pp. Frontispiece and 32 b/w illustrations. Original red cloth, fine. § Printed at the Arion Press in a large edition. Argonaut: "The best and most useful edition of this classic bibliography. Includes 429 separate items with excellent annotations and full collations. This work is considered the standard and invaluable reference for American travel and exploration up to 1865."