Biography

The French Revolution in San Domingo. New York: Houghton Mifflin, 1914.
Present-day Europe, its National States of Mind. New York: The Century Co., 1917.
The Rising Tide of Color Against White World-Supremacy. New York: Charles Scribner's Sons, 1920.
The New World of Islam. New York: Charles Scribner's Sons, 1921.
The Revolt Against Civilization: The Menace of the Under Man. New York: Charles Scribner's Sons, 1922.
Racial Realities in Europe. New York: Charles Scribner's Sons, 1924.
Social Classes in Post-War Europe. New York: Charles Scribner's Sons, 1925.
The Story of Youth. New York: Cosmopolitan book corporation, 1928.
Luck, Your Silent Partner. New York: H. Liveright, 1929.
Master of Manhattan, the life of Richard Croker. Londton: Longmans, Green and Co., 1931.
Lonely America. Garden City, NY: Doubleday, Doran, and Co., 1932.
Clashing Tides of Color. New York: Charles Scribner's Sons, 1935.
Into the Darkness: Nazi Germany Today. New York: Duell, Sloan & Pearce, inc., 1940. See also

The French Revolution in San Domingo (1914) via Google Books
The New World of Islam (1921)
The Rising Tide of Color Against White World-Supremacy (1922 edn.) via Google Books
The Revolt Against Civilization: The Menace of the Under-man (1922) via Google Books; also available at: http://users.mo-net.com/mlindste/revltciv.html
Into the Darkness (1940)