Part I (reels 1-16). Newspapers, periodicals, etc.: reel 1. The early years, 1920's-1940's [filmed chronologically] ; reels 2-16. 1950's-present [filmed alphabetically]: reels 2-5. [no individual titles] ; reel 6. Libertad ; reel 7. [no individual title] ; reels 8-9. Palante ; reels 10-16. [no individual titles]
Part II (reels 17-20). Pamphlet collection: reel 17. 1933-1957 ; reel 18. 1960-1971 ; reel 19. 1972-present ; reel 20. Juan Antonio Corretjer.