Brain, Mind, and the External Signs of Intelligence
London: George Allen & Unwin, 1931. First edition. Hardcover. First edition, 1931, hardcover with blue cloth boards in dust jacket, octavo, 288pp., illustrated in b&w. Book VG+ with mild wear to spine ends and corners, rubbing, slight bump to top corners, binding tight, mild foxing to endpapers, otherwise text clean.....