Spinelli, S. Just Shades.

The Hague, HCAK Haags Centrum voor Aktuele Kunst, 1982, fold. catalogue/ poster, 97,5x56,5 cm., ills., printed in grey on recto and verso.

Higgins, D. Some Poetry Intermedia./ Five Traditions of Art History, an Essay. New York, Unpublished Editions, (1976), 2 fold. broadsides, 56,5x43,5/ 53x41 cm., printed in black and 2 shades of pink/ black and light blue.

AND 3 others similar.