[Conceptual art] Seth Siegelaub. January 5 - 31, 1969. Barry. Huebler. Kosuth. Weiner.

New York, Seth Siegelaub, 1969, (24) p., of which 10 with text, 8 with photographic illustrations, remainder blank, original spiralbound boards, 21 x 18 cm.

Last blank with small marginal crease; label of Jaap Rietman Art Books to inside back cover. Boards sl. soiled. Important item in the field of conceptual art, with contributions by Robert Barry, Douglas Huebler, Joseph Kosuth and Lawrence Weiner.