Gysin is interviewed by Wilson, with an introduction by William S. Burroughs. They discuss Morocco, magic, science, literature, painting and music. -- Source of annotation: Marvin or Ruth Sackner.

This book was edited by Jan Herman. Gysin documents the making of cut-ups and his "Dream Machine" in this book. Also, this book includes three labels from the exhibition "Beyond Geometry." -- Source of annotation: Marvin or Ruth Sackner.

This letter is a lengthy polemic in which Cobbing argues with Chopin's assertions on contesting the history of sound poetry. He dates and mentions his own performances of sound poetry from his first attempts in 1942. He argues with Chopin on the dating of the works of Heidsieck, Wolman, de Vree, Lockwood, Dufrene, Gysin and Jandl. -- Source of annotation: Marvin or Ruth Sackner.