Debatte
DebattierenZum socialen Frieden /
2 (1890)Leipzig : Duncker & Humblot, 1890Der Bourgeois
zur Geistesgeschichte des modernen WirtschaftsmenschenMünchen [u.a.] : Duncker & Humblot, 1913Essays in persuasion
(popular ed.), London : Macmillan ; 1933Propaganda
Politische PropagandaA revision of the treaty
being a sequel to The economic consequences of the peaceLondon : Macmillan and Co., 1922