Dates 1876 - 1970 Creator Type Personal Name Biographical/Historical Note https://en.wikipedia.org/wiki/Willem_van_Ravesteyn https://nl.wikipedia.org/wiki/Willem_van_Ravesteyn http://socialhistory.org/bwsa/biografie/ravesteyn Book(s) by Ravesteyn, Willem van Displaying 1 - 2 of 2 Title Date of Publication Protokoll des Vierten Kongresses der Kommunistischen Internationale. ... 1923 Toward the United Front. Proceedings of the Fourth Congress of the Communist International, 1922 2012