Xenakis' drawing entitled 'Encre de chine' that is depicted on one of the unnumbered pages in this book is held by the Sackner Archive. -- Source of annotation: Marvin or Ruth Sackner.

The images constiting this print are depicted in black outlines. -- Source of annotation: Marvin or Ruth Sackner.

This card depicts a Xenakis painting on the outside wall of a house in France. -- Source of annotation: Marvin or Ruth Sackner.

This work is depicted in an exhibition catalogue held by the Sackner Archive, Tecken, page 105 and also in '15 and d'art semiotique.. -- Source of annotation: Marvin or Ruth Sackner.

This is the same image as Asphxie '71 but overprinted in blue and white outlines, rotated 180 degrees, absent the caption 'Asphxie 71,' and printed with a gray background. -- Source of annotation: Marvin or Ruth Sackner.

This is the same image as Asphxie '71 printed in solely black outlines but overprinted with red ink, rotated 180 degrees, and absent the caption 'Asphxie 71.'. -- Source of annotation: Marvin or Ruth Sackner.

This is the same image as Asphxie '71 but with white outlines and blue background, rotated 180 degrees, absent the caption 'Asphxie 71..' -- Source of annotation: Marvin or Ruth Sackner.

This catalogue consisted of 26 gouaches completed between 1978 and 1982. -- Source of annotation: Marvin or Ruth Sackner.