Raymond Bloom attended the exhibition presented by the Sackners in their Archive of Hebrew Concrete Poetry, Micrography and Kabbala for the Central Agency for Jewish Education in Dade County. Dr. Bloom distributed this sheet concerning the three stages of the history of writing: picture writing, charade or rebus, alphabet with 22 sounds and 22 pictures, as an introduction to the Archive exhibition. -- Source of annotation: Marvin or Ruth Sackner.