Conversation - 752 - Competition
Spencer Heath Archive Item 752 Random taping by Spencer MacCallum from conversation with Heath, title…
Correspondence - 1553
Spencer Heath Archive Item 1553 Carbon of a letter from Heath to Charles P. Phillips,…
Subject - 1898
Spencer Heath Archive Item 1898 Penciling in the margin, page 29, Edwin G. Nourse, “Competition…
Conversation - 3171
Spencer Heath Archive Item 3171 Three typed transcriptions and one recollection by Spencer MacCallum from…