Subject - 237 - All Physics Was Once Metaphysics
Spencer Heath Archive Item 237 Taping by Spencer MacCallum from conversation with Heath, transcribed and…
Conversation - 419 - Quantum Metaphysics
Spencer Heath Archive Item 419.. Taping by Spencer MacCallum from conversation with Heath, slightly amended…
Conversation - 685 - Grounding Physics In Reality
Spencer Heath Archive Item 685 Taping by Spencer MacCallum from conversation with Heath. March 1956…
Conversation - 710 - Parallels In Science And Early Christianity
Spencer Heath Archive Item 710 Taping by Spencer MacCallum during conversation with Heath. 1956? …
Correspondence - 1299
Spencer Heath Archive Item 1299 Carbon of letter from Heath to Mr./Mrs. Joe Shelby Riley,…
Correspondence - 1302
Spencer Heath Archive Item 1302 Carbon of letter to Moses J. Aronson, Assistant Professor of…
Subject - 2181
Spencer Heath Archive Item 2181 Verbatim notes by Spencer MacCallum from conversation with Heath at…
Correspondence - 3110
Spencer Heath Archive Item 3110 Copy of letter from MacCallum to Evelyn Pousette-Dart re material…