Carlos Piesaar correspondence, 1968-1970Piesaar, CarlosdutCollection of approximately twenty letters, fifteen with envelopes, to Carlos Piesaar received during a brief incarceration for Provo-related activities in 1970. Letters from family, friends, and Provo artists and sympathizers include drawings and clippings. With twenty-five empty envelopes, two addressed to Peter BronkhorstCarlos Piesaar, member of Provo movement in Amsterdam, Netherlands, in the 1960s.In Dutch.