PENCK, A. Die Vergletscherung der deutschen Alpen. Lpz., 1882. W. 2 tables, 2 maps. Cont. hcf. (Small libr. stamps in places). -- Id. Morphologie der Erdoberfläche. Stuttg., 1894. 2 vols. Cont. hcf. (Front side vol. 2 a bit scratched). -- 3 vols. First editions.