Get a good overview of the definition, purposes, types, and techniques of propaganda as well as a history of propaganda from one of our general encyclopedias such as the World Book or Britannica Online (Get the passwords from the librarian). There is also a good article in Wikipedia.
Propaganda Critic -- http://www.propagandacritic.com
In addition to descriptions and illustrations of common propaganda techniques, this site has info on War propaganda during World War I, sample texts of "propaganda" by such organizations as Enron and the John Birch Society, and a video gallery of clips such as "Duck and Cover" and other propaganda films.
Stefan Landsberger's Chinese Propaganda Poster Pages -- http://www.iisg.nl/~landsberger/
"Dedicated to the Chinese propaganda poster as it has been produced from 1949 till the present day." Make sure to read the sections on Visualizing the Future and New Year Prints (and Chubby Babies) for a discussion of techniques used in the posters. An incredible resource!
The Chairman Smiles : Chinese Posters --
The Chinese posters on this site are divided in three sections: the early years (1949-1965), the Cultural Revolution (1966-1976) and the period of modernization up to the present (1977-1997). (International Institute of Social History)
The Chairman Smiles : Cuban Posters -- http://www.iisg.nl/exhibitions/chairman/cubintro.php
Cuban posters from the 1960's and 1970's. (International Institute of Social History)
Red Files --
PBS's companion Web site to its program 'The Red Files,' on Soviet Cold War activities. Topics include espionage, sports and space programs, and propaganda. Offers a time line, teacher's guide, biographies, photos, interviews, and further resources.
Russian Posters -- http://www.internationalposter.com/ru-text.cfm
"Revolution by Design: The Soviet Poster" describes the different eras of Soviet art of propaganda, and has numerous examples from each. From the commercial International Poster Gallery website.
1930-40s Soviet propaganda posters -- http://userpages.umbc.edu/~akotov1/propaganda.html
Four Soviet posters, with translations.
Soviet Posters --
More than 30 posters with translations, from 1919 to the late 1930's. (International Institute of Social History)
Propaganda, Posters and Signs --
Part of the Digger History site, "an unofficial history of the Australian & New Zealand Armed Services." Covers both world wars. Includes Australian, British, American, Japanese and Japanese material as well as pre-World War I posters.
Propaganda Posters --
Posters from Australia, Belgium, Canada, France, Germany, Italy, Russia, the United Kingdom and the United States. Note: Text of posters in foreign languages are not translated. (First World War.com)
Literature of World War II -- http://www.stanford.edu/~suky/WW2/
In addition to a small collection of World War II posters (American, German, Japanese, Russian), this site has links to sound clips as well.
Nazi Propaganda 1933-1945 --
A collection of English translations of propaganda material from Nazi Germany. Includes speeches, posters, cartoons, photographs, essays, and book chapters. This site also has a section on pre-Nazi (1933) material. (German Propaganda Archive)
Powers of Persuasion: Poster Art from World War II - http://www.nara.gov/exhall/powers/powers.html
"Guns, tanks, and bombs were the principal weapons of World War II, but there were other, more subtle, forms of warfare as well. Words, posters, and films waged a constant battle for the hearts and minds of the American citizenry just as surely as military weapons engaged the enemy." (National Archives and Record Administration [U.S.])
Nazi and East German Propaganda - http://www.calvin.edu/academic/cas/gpa/
The German Propaganda Archive, sponsored by Calvin College, "includes both propaganda itself and material produced for the guidance of propagandists. The goal is to help people understand the two great totalitarian systems of the 20th century [nazism and communism] by giving them access to the primary material."
Nazi & Soviet Art - http://www.primenet.com/~byoder/artofnz.htm
WWII art of Germany and the Soviet Union. (Brian Yoder personal page)
Arthur Szyk: Artist For Freedom - http://lcweb.loc.gov/rr/print/swann/szyk/
"Arthur Szyk (1894 - 1951) was one America's leading political artists during World War II, when he produced hundreds of anti-Axis illustrations and cartoons in aid of the Allied war effort." Look for "Wartime Publications" about half-way down the "Exhibits" page. (Library of Congress, Swann Foundation)
Pre-World War II Propaganda Posters - http://www.libs.uga.edu/darchive/hargrett/propagnd/propagnd.html
Three Nazi posters issued during the build-up to the war. (University of Georgia Libraries)
World War II Poster Database - http://www.library.nwu.edu/govpub/collections/wwii-posters
"The Government Publications Department at Northwestern University Library has a very comprehensive collection of over 300 posters issued by U.S. federal agencies from the onset of war through 1945." (Northwestern University Library)
WWII Propaganda Posters - http://www.openstore.com/posters/
Patriotic in nature, these 31 posters were supposed to stir up pro-American feelings, and help mobilize citizens to support the war movement.
Propaganda Postcards of the Great War - http://www.ww1-propaganda-cards.com/
"The site features a collection of war-themed postal cards produced during World War 1 (1914 - 1919). More than 2,500 cards will eventually be displayed in an organized fashion. The cards are mementos of a world at war during the second decade of the 20th century. This web-site has been established to provide a tool to students, researchers and postcard collectors with an interest in the period of World War One in general or "Great War" propaganda in particular."
East German Propaganda --
Speeches, posters, cartoons, photographs, essays, and book chapters. (German Propaganda Archive)
CNN Cold War Experience - Culture -- http://www.cnn.com/SPECIALS/cold.war/experience/culture/
Explore how the Cold War played out in American culture: television, film, books and the stage.
A New Arms Race? The North Korean Nuclear Challenge -- http://international.ucla.edu/asia/nk/nkpindex.asp
North Korean propaganda posters, undated. (UCLA Asia Institute)
Teaching Units, Lesson Plans and Materials
Propaganda Lessons in Media, Politics, Advertising, Conflict -- http://propaganda.mrdonn.org/lessonplans.html
A lesson plan on propaganda techniques and links to many other lessons on propaganda and advertising. A special section on World War II propaganda includes links to Disney and Dr. Suess sites.
Propaganda in the Classroom --
Part of Bill Chapman's Classroom Tools site, this page has great links to articles in which writers explore the role language plays in war, and case studiesin advertising in politics.
Cold War Resource 7: Propaganda Student Handout --
A nice two-page handout describing and providing examples of eight propaganda techniques.
Power of Persuasion: Poster Art of World War II --
From the National Archives Teaching with Documents initiative, a lesson plan to analyze poster art of World War II.
Resources and lesson plans related to how propaganda works. (Media Literacy Clearinghouse)