BURROUGHS, EDGAR RICE. Back to the Stone Age. [1937]. Dust jacket a little worn -- The Oakdale Affair [and] The Rider. [1937] -- The Deputy Sheriff of Comanche County. [1940] -- Land of Terror. [1944]. All Tarzana: Edgar Rice Burroughs, Inc. Together 4 volumes, 8vo, original cloth; each in color pictorial dust jacket. All FIRST EDITIONS, first state (coated) dust jackets where called for. Illustrated by John Coleman Burroughs. The last three titles in fine condition. (6)