March 1969. (One month).

New York.: (Self-published)., 1969.. Original publisher's tan printed wrappers with calendar details in black to front cover, credit to rear, stapled as issued.. 8vo. (215 x 175 mm).. Blank leaf, leaf with a copy of Siegelaub's letter soliciting a work, leaf with Siegelaub's explanatory text and 31 leaves each with a work (or not) by one of the contributing artists (see below). A very good example of Seth Siegelaub's conceptual exhibition 'March 1969'.Each artist was provided with a single page within the catalogue, representing a single day in the month of March 1969. Contributions were purely text-based. The non responses were left as blank pages on the dates for which they were selected.Artists included Carl Andre (no contribution), Michael Asher (no contribution), Terry Atkinson, Michael Baldwin, Robert Barry, Rick Barthelme, Iain Baxter, James Lee Byars, John Chamberlain, Ron Cooper, Barry Flanagan, Dan Flavin (no contribution), Alex Hay, Douglas Huebler, Robert Huot, Stephen Kaltenbach, On Kawara (no contribution), Joseph Kosuth, Christine Kozlov, Sol LeWitt (no contribution), Richard Long, Robert Morris, Bruce Nauman (no contribution), Claes Oldenburg, Dennis Oppenheim, Alan Ruppersberg, Ed Ruscha (no contribution), Robert Smithson, De Wain Valentine, Lawrence Weiner, Ian Wilson. The edition size is unknown.[see 'Six Years : The Dematerialization of the Art-Object from 1966-1972', Studio Vista, London, 1973, pp. 79-80].