13. Radloff, Wilhelm, Aus Sibirien, Anthropological Publications, 1968. Photomechanical reprint of Radloff's 1898 account of his travels and work in Siberia, an important work. In German. Excellent condition apart from a few minor nicks on the hardcover and one tear on a illustration plate (not into image), no dust jacket, two volumes bound as one, 534 + 486 pages, 31 plates with illustrations, map, 5.5 x 7.75 inches.