Exhibition catalogue published in conjunction with show held at Stedelijk Museum, Amsterdam, December 12 - April 17, 2016. Essays by Leontine Coelewij, Sara Martinetti, Marja Bloem, Julia Bryan-Wilson, Julia Bryan-Wilson, Jo Melvin, Götz Langkau, Robert Horvitz, Matilda McQuaid, Alan Kennedy and chronology by Martinetti. Comprehensive documentation of the galleries, publications and life of Seth Siegelaub (1941-2013). Covers Siegelaub's entry into art dealing in 1964, his work on Marxism and textiles.