Creel, George. How We Advertised America. Forgotten Books, 2012, books.google.com/books?id=ltdmAAAAMAAJ&printsec=frontcover#v=onepage&q&f=false.
Macdonald, Lyn. 1915: The Death of Innocence. Johns Hopkins UP, 2000.
Macmillan, Margaret. The War That Ended Peace: How Europe Abandoned Peace for the First World War. Profile, 2013.
Pedersen, Susan. The Guardians: The League of Nations and the Crisis of Empire. Oxford UP, 2018.
Remarque, Erich Maria. All Quiet on the Western Front. Translated by A.W. Wheen, Ballantine, 1987.
Tuchman, Barbara W. The Guns of August. Ballantine, 1962.