BURROUGHS, Edgar Rice (1875?1950).?A pair of first editions including: Back to the Stone Age. Tarzana: Burroughs, [1937]. 8vo. Frontispiece and 6 plates by John Coleman Burroughs. Original blue cloth, front board and spine stamped in red (spine toned, soiled, and rubbed, boards soiled, occasionally bumped, with some wear, text a bit toned, with occasional creasing, rear hinge starting); original (laminated ? no ripple, priority unclear) dust jacket (jacket spine somewhat sunned, some rubbing). Carson of Venus. Tarzana: Burroughs, [1939]. 8vo. Frontispiece and 5 plates by John Coleman Burroughs. Original blue cloth, front board and spine stamped in red (jacket spine toned, soiled, and rubbed, boards lightly worn and soiled, text a bit toned); original (unlaminated, no priority stated) dust jacket (jacket spine a bit sunned, minor rubbing). Zeuschner pp. 21?22; 50?51.