Human traits and their social significance.

Published also as thesis (PH.D.) Columbia University, 1920.

The Arbitrator

"A monthly digest of news of social significance." (varies)

The leopard's claw : a thrilling story of love and adventure from a European castle through the West African jungle, disclosing a deep insight into the quality and spiritual influence of African social institutions and conditions, and revealing a profound psyschic [sic] interpretation of African inner life, all clustered about the mysterious function and significance of the leopard's claw /

Mode of access: Internet.

The social & economic significance of the automatic tool

Reprinted from Michigan academy of science. Report no.21, 1919.