Ridpath, J. C. 1., & Ridpath, J. C. 1. (1916). History of the world: Being and account of the principal events in the career of the human race from the beginnings of civilization to the present time... Cincinnati: J. Brothers.

Ridpath, John Clark 1841-1900, and John Clark 1841-1900 Ridpath. History of the World: Being and Account of the Principal Events in the Career of the Human Race From the Beginnings of Civilization to the Present Time... Cincinnati: J. Brothers, 1916.

Ridpath, John Clark 1841-1900, and John Clark 1841-1900 Ridpath. History of the World: Being and Account of the Principal Events in the Career of the Human Race From the Beginnings of Civilization to the Present Time... Cincinnati: J. Brothers, 1916.