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

by Henry Fairfield Osborn

(52) Boule, 1913.1, p. 85.

(53) Gorjanovič-Kramberger, 1909.1.

(54) Boule, 1913.1, p. 104.

(55) Tomes, 1914.1, pp. 588-598.

(56) Schwalbe, 1901.2; 1914.1, pp. 534, 535.

(57) Schwalbe, 1901.1.

(58) Boule, 1913.1.

(59) Op. cit., pp. 66, 67, 72, 75.

(60) Berry, 1914.1.

(61) Johnson, 1913.1.