This consists of a brief recording of four tracks, one of which is a dog barking. -- Source of annotation: Marvin or Ruth Sackner.

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.

This copy has an additional card by Guy Schraenen that reproduces the signatures of all the contributors. -- Source of annotation: Marvin or Ruth Sackner.

This unnumbered, unsigned copy is a varient since the colophon calls for 300 numbered copies that are signed by the editor. -- Source of annotation: Marvin or Ruth Sackner.

Lists several recent publications and recordings that are reisssues of older ones. -- Source of annotation: Marvin or Ruth Sackner.

Text with images of insects are printed on Rives paper. This is the sole edition of this issue and might be classified as a deluxe edition by virtue of the small press run and the signatures of the artists. -- Source of annotation: Marvin or Ruth Sackner.

The print by Chopin, entitled "Rockets" is numbered 1/XXX and is flat in contrast to the folded print in the limited edition portfolio. Similarly, the drawing with handwritten text by Heidsieck is part of the maquette along with an unfolded print. This drawing is a chronologic accounting of the relationship between Heidsieck (BH) and Chopin (HC) from extracts of letters. The latter is listed in the database as a separate entry but is stored in the Chopin drawer. This work includes seven original typwriter poems made by Chopin. -- Source of annotation: Marvin or Ruth Sackner.

This book deals with vegetal plants. -- Source of annotation: Marvin or Ruth Sackner.

The print consists of four folded parts that includes the two loose sheets of Spanish produce labels and the envelope with Heidsieck's poem between the folds. The poem by Heidsieck in French reads "Ils ne firent, certes, que se crosier...--- Mais jamais ne se perdirent de vue!,," -- Source of annotation: Marvin or Ruth Sackner.