This exhibition travelled to the Miami Art Museum. -- Source of annotation: Marvin or Ruth Sackner.

The inscription to Ruth y Marvin is written with a bold calligraphic style. This book consists of a compendium of Ferrari's images. Also features Ferrari's ideographic code. This book reproduces two drawings, P4CD, Labirinto 5, & P4R, that are held by the Sackner Archive. -- Source of annotation: Marvin or Ruth Sackner.

These pages are reproductions from the book "Imagens" held by the Sackner Archive that were photocopied by Leon Ferrari. -- Source of annotation: Marvin or Ruth Sackner.

This book reproduces drawings with dense calligraphic markings and letraset letters and symbols; the Sackner Archive holds four drawings in this style. -- Source of annotation: Marvin or Ruth Sackner.