- think about language; how was your topic discussed in the time and place you're studying? Use those terms to search a primary source. Consult a historical or slang dictionary if necessary
- use secondary sources to identify key primary sources -- mine the references in the footnotes and bibliographies. Book authors often have an appendix describing their primary sources
- use the Internet Archive, HathiTrust, and Google Books to see if the primary source you want has been digitized
Propaganda Poster Collection (1914-1945)
U.S. and European posters - use date limits to restrict to WWII.