80th birthday party speeches, royalty statements, and Clark donation information (1999); bulk includes 1960s correspondence and John Lowenthal (1925-2003) correspondence.

folder with correspondence and other material from John Lowenthal (RHP’s lawyer, agent). It includes a letter from Anne Lowenthal (Lowenthal’s wife) to Jeremy Popkin (RHP’s son) dated on April 2007 in which she says that she is sending this file to Jeremy. Hence, this material should be considered a file on Lowenthal’s hands until it was transmitted to become part of the Popkin Papers.

[has probably the same origin as folder #1]

It looks like it has been collected and included after RHP’s death. A great part of it is personal and family correspondence.

80th birthday party speeches, royalty statements, and Clark donation information (1999); bulk includes 1960s correspondence and John Lowenthal (1925-2003) correspondence.

contains miscellaneous correspondence, also personal and family material.

correspondence on the assassination of JFK with R. B. Cutler, ‘assasinologist’ and founder of the Conspiracy Museum (Dallas, TX).

Correspondence regarding RHP’s appointment as professor of Washington University.

. Two folders with RHP’s correspondence regarding the process to publish his book “Philosophy made simple”.

Contains list of books and microfilms donated to the Clark in June 1999