Subject - 164 - Topics For Discussion
Spencer Heath Archive Item 164 Pencil by Heath on folded onion-skin paper. No date …
Subject - 276 - The Speculator Anticipates
Spencer Heath Archive Item 276 Penciling by Heath on page 24 of a pocket notepad…
Subject - 494 - Taxation, Public Works And Economic Collapse
Spencer Heath Archive Item 494 Penciling by Heath on notepad paper No date Periods of…
Conversation - 521
Spencer Heath Archive Item 521 Verbatim note of a remark by Heath when Spencer MacCallum…
Conversation - 567
Spencer Heath Archive Item 567 Thoughts dictated to Spencer MacCallum for a letter to Roy…
Conversation - 600
Spencer Heath Archive Item 600 Recollection by Spencer MacCallum immediately after a conversation No date…
Subject - 616 - The Rise And Successive Changes In A National Income
Spencer Heath Archive Item 616 Dictation on tape for Spencer MacCallum on the latter’s suggestion…
Subject - 622
Spencer Heath Archive Item 622 Number of Persons Receiving /This chart did not…
Subject - 624 - Towards The Union Of Religion And Economics
Spencer Heath Archive Item 624 Dictation at request of Spencer MacCallum at Elkridge, Maryland to…
Conversation - 706 - Immortality Of Capital
Spencer Heath Archive Item 706 Taping by Spencer MacCallum during conversation with Heath. August 4,…