Young, Chic, 1901-1973. Dagwood Comic, Box 22, Folder 5, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/scribd/?item_id=456789&filepath=/files/docs/historical/martin/22_05_xxxx0323.pdf&start_page=1, accessed on September 22, 2017.
"Save for Daddy please"
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources