Board of Governors of the Federal Reserve System (U.S.), 1935-
and Federal Reserve Board, 1914-1935. Interpretation of Law or Regulation: Definitions of Heating Stoves and Space Heaters Designed for Household Use, Number S-314, Volume 55, Page 296,
Mimeograph Letters and Statements of the Board.
Board of Governors of the Federal Reserve System (U.S.), 1935-.
https://fraser.stlouisfed.org/archival/4957/item/509609, accessed on March 4, 2026.