This issue was dedicated to Raoul Hausmann on the occasion of his 75th birthday while he was living Limoges, France. -- Source of annotation: Marvin or Ruth Sackner.

The cover illustration is a Signografia by Clemente Padin. Henri Chopin contributed a critical essay. This work is stored in the Vigo box. -- Source of annotation: Marvin or Ruth Sackner.

This catalogue was produced in conjunction with the exhibition at Ubu Gallery. -- Source of annotation: Marvin or Ruth Sackner.

Edited by Michael Erlhoff. Typewriter poems held by the Sackner Archive are reprinted in these books: 1) Sound-Reel (1919) [Band 1 page 89] but without the hand writtyem letters as in the original held by the Sackner Archive, 2) lausbumchen [Band 2 page 112], 3) QUADRAT[Band 2 page 115]. -- Source of annotation: Marvin or Ruth Sackner.

Exhibition curated by Dietrich Mahlow. The cover is perforated such that the word "collage" is formed. -- Source of annotation: Marvin or Ruth Sackner.

Edited by Henri Chopin and translated from the French into English by Jean Chopin. Printed by Blackmoor Head Press, Cambridge for Henri Chopin on Hayle paper. The prints by Golyscheff have the image of geometric French curves. The ordinary edition is stored in the Hausmann box. -- Source of annotation: Marvin or Ruth Sackner.

Edited by Henri Chopin and translated from the French into English by Jean Chopin. Printed by Blackmoor Head Press, Cambridge. -- Source of annotation: Marvin or Ruth Sackner.

One of the two copies of this book was previously held by the British poet, Andrew Crozier. -- Source of annotation: Marvin or Ruth Sackner.

Includes a review of Dada periodicals. -- Source of annotation: Marvin or Ruth Sackner.