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

by Henry Fairfield Osborn

(9) Breuil, 1912.7, pp. 203-205.

(10) Obermaier, 1912.1, pp. 341, 342.

(11) Martin, R., 1914.1, pp. 15, 16.

(12) Verworn, 1914.1.

(13) Op. cit., p. 646.

(14) Breuil, 1912.7, p. 201.

(15) Lartet, 1875.1.

(16) Breuil, 1912.7, p. 213.

(17) Schmidt, 1912.1, p. 136.

(18) Breuil, op. cit., pp. 216, 217.