Chopin mentions the death of his wife, Jean in 1985 "when everything stopped." Also, he adds a visit to Miami in 1985 (gave a performance at the Sackners that is not cited in the book. -- Source of annotation: Marvin or Ruth Sackner.

The text consists of notes for the record of the same title; the record is also held by the Sackner Archive. -- Source of annotation: Marvin or Ruth Sackner.

This book deals with Chopin's diary notes on the making of his sound poems. He mentions meeting the Sackners on his visit to Miami Beach in 1984. -- 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.

Chopin requests Furnival to send graphics to ICA and to ask Houedard to send poems as well. -- Source of annotation: Marvin or Ruth Sackner.

This calligraphic text is the maquette for the folded print in Portfolio Chopin. It is a linear extract of letters by Henri and Bernard to each other from 1962 - 1977. The two are identified by heavy printed letters, BH and HC. -- Source of annotation: Marvin or Ruth Sackner.

This essay is another copy of the manuscript with slightly different handwritten correctionss and appeared in ISIS No.1507, 1966, a periodical held by the Sackner Archive. -- Source of annotation: Marvin or Ruth Sackner.