Ridpath, J. C. (1890). Cyclopaedia of universal history: Being an account of the principal events in the career of the human race from the beginning of civilization to the present time. Jones Bros. Pub. Co..
Dyfyniad Arddull ChicagoRidpath, John Clark. Cyclopaedia of Universal History: Being an Account of the Principal Events in the Career of the Human Race from the Beginning of Civilization to the Present Time. Cincinnati: Jones Bros. Pub. Co., 1890.
Dyfyniad MLARidpath, John Clark. Cyclopaedia of Universal History: Being an Account of the Principal Events in the Career of the Human Race from the Beginning of Civilization to the Present Time. Jones Bros. Pub. Co., 1890.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.