Warburg, Paul M. (Paul Moritz), 1868-1932 and Harding, W. P. G. (William Proctor Gould), 1864-1930. Report to Mr. Warburg, Box 659, Records of the Federal Reserve System, Record Group 82. https://fraser.stlouisfed.org/archival/1344/item/539764, accessed on April 25, 2024.
- other: 302.01