Edited by Henry Martin. "This Sentence is Weightless," a multiple held by the Sackner Archive is reproduced on page 60. -- Source of annotation: Marvin or Ruth Sackner.

Printed on a page of a newspaper, The Carillon, while Friedman was in an artist in residence at the Norman McKenzie Art Gallery in Saskatchewan. -- Source of annotation: Marvin or Ruth Sackner.

The concept and design were done by Picasso Gaglione and the text by John Held Jr. The latter wrote, "The three rubberstamps in this boxed set are an ongoing tribute to the influence of Fluxus and its spirit of collaboration among international cultural workers." -- Source of annotation: Marvin or Ruth Sackner.

This small wooden box contains what appears to be a smaller, "black box." It has a sliding top inscribed with the handwritten name, Ben. -- Source of annotation: Marvin or Ruth Sackner.

Based on a reversed drawing by Leonardo Da Vinci, the image is reversed when reflected in the mirror at the correct angle. Dupuy installed a mechanism so that the clock runs backward. -- Source of annotation: Marvin or Ruth Sackner.

This is a collection of objects that bears resemblance to Flux Kits. The shredded paper packing material in the box is part of the collection and is entitled, "Excelsior;" it consists of shredded dictionary pages. The rubberstamped citations on the objects are minimalist phrases, e.g., the keychain is titled, "burglar's apprentice" and the tongue depressor, "corrective diction device." Although the title page indicated that this box is signed and numbered in an edition of 100 copies, this identification could not be found. -- Source of annotation: Marvin or Ruth Sackner.

Hidalgo is a member of the Zaj group. -- Source of annotation: Marvin or Ruth Sackner.

Milan Knizak, Ann Holyoke Lehmann, Rune Mields, Augustina Von Nagel, Jurgen Olbrich, Ingo Trauer, Emmett Williams, and Wolfgang Hainke all contributed objects to the box and signed some of their works. The book incorporates a magazine that reviewed the top ten black jazz and blues recording artists in 1956. The 24 blank embossed pages bear an imprint of a small nail or pin on the left center portion of the pages. -- Source of annotation: Marvin or Ruth Sackner.

Each page lists one to four ideas for poems. -- Source of annotation: Marvin or Ruth Sackner.

This is depicted on page 23 of Ducorroy's catalogue raisonne, a book held by the Sackner Archive. -- Source of annotation: Marvin or Ruth Sackner.

The rubber stamps were designed by Ken Friedman, Chuck Welch, Bill Gaglone, Steve Random, Luce Fierens, and Ed Varney on the occasion of an exhibition by Ken Friedman, entitled, Rubber Stamps, at Stamp Art Gallery in San Francisco. The original Friedman rubber stamp was designed by Wolfgang Feelish and became among the most widely reproduced stamp in international mail art networking. -- Source of annotation: Marvin or Ruth Sackner.

The first edition was made in 1964. As often occurs in the work of Ben as in the two copies held by the Sackner Archive, editions with the same title might have totally different contents. -- Source of annotation: Marvin or Ruth Sackner.

In box with Saito and Shioni -- Source of annotation: Marvin or Ruth Sackner.