[Fluxus] Documents of Fluxus events organized by Willem de Ridder, early 1960s (1) Program for the World Premiere of Moving Theater No.1, October 5 1962. Part of first Fluxus show in Amsterdam at Gallery Monet titled ‘Parallele Auffuhrungen Neuester Musik’. Participants included Nam June Paik, Gosewitz, Higgins, Knowles, Maciunas, Patterson et al. The event took place at night on the ‘streets, canals, bridges, bars, cellars of Amsterdam’. Folded sheet, 22.5 x 21 cm, with considerable age wear/ small tears. (2) Press material and stationary for Afsrinmor (Association for Scientific Research in New Methods of Recreation) and S.E.O. (Society for Exhibition Organizing), set up by de Ridder in 1963, 4 items. (3) Brochure for an international Fluxus event at De Kleine Komedie, Amsterdam, December 18 1963, organized by Emmett Williams, Tomas Schmit, Wim T. Schippers and Willem de Ridder. Black offset on green paper, 31 x 21 cm, 4 pp. Folded once, toned around margins. (4) Press release for De Kleine Komedie and several side events such as Wim T. Schipper’s manifestation at Petten (famous performance in which he emptied a soda bottle in the sea). (5) Press release and newspaper clipping 'Mars door Amsterdam', organized by Schippers and de Ridder, December 6 1963. (6) Press texts, program list and letter regarding the Flux festival Kurhaus Scheveningen, November 1964 (4 items). Participants included La Monte Young, Emmett Williams, Robert Watts, Arthur Koepcke, Eric Andersen, Takehisa Kosugi et al. (total 13)