Beard, Charles A.—Cross Currents in Europe Today.
Barnes, Harry E.—The Genesis of the World War.
Creel, George—How We Advertised America.
Chafee, Zechariah—Freedom of Speech.
Fay, A. S.—Origin of the World War.
Flick, A. C.—Modern World History. Chapter 34.
Grattan, C. H.—Why We Fought.
Lasswell, H. D.—Propaganda Technique in the World War.
Moody, John—Masters of Capital. Chapter 9.
Nock, A. J.—The Myth of a Guilty Nation.