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

by Henry Fairfield Osborn

(2) d'Ault du Mesnil, 1896.1, pp. 284-296.

(3) Obermaier, 1912.1, p. 146.

(4) Schmidt, 1912.1, pp. 118-126.

(5) Boule, 1888.1.

(6) Obermaier, 1912.1, pp. 327-329.

(7) Haug, 1907.1, vol. II, pp. 327-329.

(8) Geikie, 1914.1, p. 262.

(9) Morlot, 1854.1.

(10) Commont, 1906.1.

(11) Geikie, 1914.1, pp. 107-111.