General United States History in 1920

The Frontier in American History, by Frederick Jackson Turner. by Turner, Frederick Jackson

Freedom of Speech by Chafee, Zechariah, Jr.

The Great Steel Strike and Its Lessons: The American Strike of 1919, its Causes and the Labor Unions Involved by Foster, William Z.

Der Kampf Um Einheit Und Weltgeltung 1848-1920 by Luckwald, Friedrich

Die Werdezeit 1607-1848 by Luckwald, Friedrich