ATP International Series | International Monetary Fund | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | Advisory Committee on Antarctic Names | Amnesty International | International Olympic Committee | Committee of Public Safety | BirdLife International | UK Antarctic Place-Names Committee | International Finance Corporation | International Organization for Standardization | International Telecommunication Union | International Criminal Court | One Day International | International Nonproprietary Name | International Labour Organization | International Civil Aviation Organization | International Boxing Federation | Toronto International Film Festival | International Atomic Energy Agency | Republican National Committee | International Maritime Organization | International Development Association | John F. Kennedy International Airport | Central Committee | Los Angeles International Airport | International Bank for Reconstruction and Development | International Court of Justice |
Kruse remained active in the Left Wing movement inside the SPA until the fall of 1921, organizing the Committee for the Third International with his associates Louis Engdahl and Alexander Trachtenberg.