Men of the Old Stone Age: Their Environment, Life and Art

by Henry Fairfield Osborn

(32) Avebury, 1913.1, p. 342, Fig. 236.

(33) Schmidt, op. cit., pp. 17-105.

(34) Breuil, 1912.5, p. 14.

(35) Obermaier, 1912.1, p. 164.

(36) Obermaier, op. cit., pp. 124, 125, 127, 130.

(37) Commont, 1908.1.

(38) Déchelette, 1908.1, vol. I, pp. 80-90.

(39) Geikie, 1914.1, p. 255.

(40) Hilzheimer, 1913.1, p. 145.

(41) Obermaier, 1912.1, p. 127.