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There seems to be a pretty big gap between the 1950s and his death. Perhaps there is information in the Italian language version (I don't read Italian) but it seems to refer to Raya Dunayevskaya that could supplement this article? Rmalhotr 02:18, 23 July 2007 (UTC)[reply]
How could Damen have been arrested in 1935 for spreading propaganda about the Spanish Civil War? That began in 1936. Also, this article has no in-text citations.66.223.173.214 (talk) 19:02, 15 April 2013 (UTC)[reply]
