Related sites

• International Institute of Social History Archives Mattick, Paul Period : 1939-1981 (-1982) Total Size : 0.85 m. Finding Aid: List
• INTERNATIONAL INSTITUTE OF SOCIAL HISTORY
  List of the papers of
  PAUL MATTICK (1904-1981)
  1921-1981 (-1982)
• Tidsskiftcenteret dk
• Welcome to Wikiverse, an up-to-date high speed static mirror of Wikipedia, - Paul Mattick