The duplicate copy is missing the tape casette. -- Source of annotation: Marvin or Ruth Sackner.

Houedard in his introduction states that this is the first lecture (concrete poetry) delivered in the English speaking world. He presents an extensive critical analysis of Gomringer's poems including "Avenidas," "Silencio,"etc. and DeCampos poetry. Calligrammes were inspired by Mallarme's "Un Coup De Des" as well the music of Webern. He discusses the basis for Ultra-Lettrisme and Sound Poetry and provides a chronology for Sound Poetry. -- Source of annotation: Marvin or Ruth Sackner.

This essay was published in "The Times Literary Supplement" No.3,258 August 6 1964 in a slightly modified form from this manuscript. The Sackner Archive holds this issue of TLS. -- Source of annotation: Marvin or Ruth Sackner.

Houedard has typed two poems a week apart on the same page. He utilized a complex mathematical procedure to arrive at this performance poetry presentation, much like the workings of Oulipo. -- Source of annotation: Marvin or Ruth Sackner.

This is the second edition of the book also called Objetos first published in 1969 -- Source of annotation: Marvin or Ruth Sackner.

This is the third edition of this collection of pop-ups first published in 1969; the second edition is also held by the Sackner Archive. -- Source of annotation: Marvin or Ruth Sackner.