The poem Soundreel (1919) is printed as "Sound-Ell" and is missing the handwritten ink additions present in the original copy held by the Sackner copy entitled " Sound-Reel" in the book "The Dada Painters and Poets" (1951) by Robert Motherwell. The Interview Avec Les Lettristed (1947)i s based upon "PIN and the story of PIN" (1962) edited by Jasia Reichardt. This unplayed tape is also designated No.5 of the series. -- Source of annotation: Marvin or Ruth Sackner.