Primitive hearths in the Pyrenees :
the story of a summer's exploration in the haunts of prehistoric man /
by Ruth Otis Sawtell and Ida Treat, with illustrations by Paul Vaillant-Couturier.
APA Citation
Wallis, R. Otis (Sawtell) 1895-., Treat, I. (1927). Primitive hearths in the Pyrenees: the story of a summer's exploration in the haunts of prehistoric man. New York and London: D. Appleton and company.
MLA Citation
Wallis, Ruth Otis (Sawtell) 1895-, and Ida Treat. Primitive Hearths In the Pyrenees: the Story of a Summer's Exploration In the Haunts of Prehistoric Man. New York and London: D. Appleton and company, 1927.
Warning: These citations may not always be complete (especially for serials).