Exhibition catalogue / artists' book published in conjunction with show held December 17, 1972 - January 28, 1973. Issued as catalogue number 7/1972 by the museum, and commonly referenced as "7'72" based on cover typography. Contains introduction by Klaus Honnef. Biography, exhibition history, bibliography, and checklist. Largest portion of catalogue dedicated to artists' project / compilation of "12 Pieces" by Douglas Huebler. "Site Specific Project," "Location Piece No. 4," "Location Piece No. 5," "Location Piece No.9," "Location Piece No. 10," "Location Piece No. 15," "Location Piece No. 14," "Location Piece No. 20," "Location Piece No. 80," "Location Piece No. 70." Texts in English and German.