| Commitment From Construction Workers | | Country |
| Commitment From the Trade Unions | | Country |
| Committee Against the Finnish White Terror | | Country |
| Committee of International Liberation | | Country |
| Committee of National Liberation | | Country |
| Committee of State Security | | Country |
| Common Organization of Society | | Country |
| Commonplace Looting | | Country |
| Commonwealth Aircraft Corporation | | Aircraft Manufacturer |
| Communism Banned | | Country |
| Communism Banned | | Country |
| Communism Banned | | Country |
| Communism Defeated | | Country |
| Communism on the Rise | | Country |
| Communism on the Rise | | Country |
| Communism With a Human Face | | Country |
| Communist Cooperation | | Country |
| Communist Education Centers | | Country |
| Communist Graduates | | Country |
| Communist Ideals | | Country |
| Communist Ideals | | Country |
| Communist Ideals | | Country |
| Communist Ideals | | Country |
| Communist Influence | | Country |
| Communist Influences from Germany | | Country |
| Communist Militants | | Country |
| Communist Partisans Recruiting | | Country |
| Communist pressure | | Country |
| Communist Pressure | | Country |
| Communist Propaganda | | Country |
| Communist Protests | | Country |
| Communist Refugees | | Country |
| Communist Revolutionaries | | Country |
| Communist Revolutionaries | | Country |
| Communist Volunteers | | Country |
| Compagnie Belge Maritime du Congo | | Industrial Concern |
| Compagnie Belge Maritime du Congo | | Industrial Concern |
| Compagnie du Congo pour le Commerce et l'Industrie | | Industrial Concern |
| Compagnie Générale Transatlantique | | Naval Manufacturer |
| Companhia União Fabril | | Industrial Concern |
| Compañía Electro-Siderúrgica e Industrial de Valdivia | | Industrial Concern |
| Compañia General de Electricidad | | Industrial Concern |
| Compañía Manufacturera de Papeles y Cartones | | Industrial Concern |
| Compañía Marítima de Cebú | | Naval Manufacturer |
| Compañía Sudamericana de Vapores | | Industrial Concern |
| Compañía Telefónica Nacional | | Industrial Concern |
| Compensation for Newfoundland | | Country |
| Compensation for Transferred Colonies | | Country |
| Compensation from Finland | | Country |
| Compensation Payments | | Country |
