Propaganda posters have been a common vehicle for spreading government messages, particularly in times of war.
- Stefan Landsberger's Chinese propaganda poster pages contains examples, organized by topic, from Landsberger's collection of more than 1,700 posters from 1949 to the present.
- The Chairman Smiles, hosted by the International Institute of Social history, has posters from the former Soviet Union, China and Cuba.
- World War I propaganda posters from Australia, Belgium, Canada, France, Germany, Italy, Russia, the United Kingdom and the United States.
- US posters from World War II, organized by Northwestern University Library.
- The Propaganda Remix Project features a number of propaganda posters that have been Photoshopped for humorous or satirical effect.
- The German Propaganda Archive, hosted by Calvin College, features examples from Nazi Germany and the German Democratic Republic.