An archive of essential administrative documents relating to the organization of the 14th Annual Avant Garde Festival and 2nd Annual Cambridge River Festival presented by Charlotte Moorman in 1978. Includes: Artist's Invitation Letter and artist's requirements questionnaire; a map of Cambridge and sample festival sites; a photograph of sample festival sites; a news letter from the Cambridge Arts Council about the River Festival; a joint letterhead for the Avant Garde Festival and the Cambridge River Festival; an artists' information letter; a follow up postcard to artists that did not respond to the invitation to participate; an invitation letter to selected artists; an artists waiver agreement; a postcard to artist with updates; an invitation to art patrons; a copy of the first press release; a copy of the second press release; a thank you letter to participating artists; a thank you letter to organizations, VIPs, etc; and a copy of the festival poster.