Posters of the Spanish Civil War
- Propaganda posters from 1930s Spain.
- http://orpheus.ucsd.edu/speccoll/visfront/

Stefan Landsberger's Chinese Propaganda Poster Pages
- Extensive research. Navigate via sub categories: Cultural Revolution; Great Leap Forward.
- http://www.iisg.nl/~landsberger/

30 Years of the GDR
- Features material prepared by the East German Communist Party section that provided posters. Celebrating 30 years of the GDR.
- http://www.calvin.edu/academic/cas/gpa/ddr30.htm

Cuban Posters Anniversary of the Cuban Revolution
- Posters celebrating ten years of revolution in Cuba.
- http://www.uoregon.edu/~caguirre/cuba/cubanposters.htm

Cuban Poster Art
- Features a collection of OSPAAAL posters.
- http://www.sims.berkeley.edu/~lcush/CPP.htm

The Chairman Smiles - Cuban Posters
- Propaganda art from Cuba. International Institute of Social History site. Designs from ICAIC, OSPAAAL and Editora Politica.
- http://www.iisg.nl/exhibitions/chairman/cubintro.html

Rene Wanner's Poster Page / Eduardo Munoz Bachs
- Memorial to important cuban graphic designer
- http://www.posterpage.ch/mem/bachs/bachs.htm

Swiss Poster Collection
- Posters from Carnegie Mellon University. 1971 to present day. Browse by designer, keyword, topic or search.
- http://swissposters.library.cmu.edu/Swiss/

Marco Fine Arts
- Antique Posters (Serigraph)
- http://www.marcofinearts.com/

Paris 1903
- Publisher of vintage & antique European advertising poster reproductions. Secure on-line ordering and worldwide shipping.
- http://www.paris1903.com

Spencer Weisz Gallery
- European vintage posters.
- http://www.spencerweisz.com/