McDonald, Stewart and United States. Federal Housing Administration. Mutual Mortgage Insurance : Administrative Rules and Regulations Under Title II of the National Housing Act (Except Operations Under Section 207 -- Low-Cost Housing Insurance), Box 28, Folder 5, Item 14, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/466018, accessed on March 21, 2025.