Hearings in the records of the U.S. Senate and joint committees of Congress,

Eitemau Tebyg

• Committee hearings, Senate Library, 80th Congress, vol. 832, 1947
  Cyhoeddwyd: (1947)
• Supplement to the Index of congressional committee hearings prior to January 3, 1935; consisting of hearings not catalogued by the U.S. Senate Library, with subject index, shelflist, and bill number index, from the Twenty-fifth Congress, 1839, through the Seventy-third Congress, 1934
  gan: Thomen, Harold O. (Harold Ordell), 1902-
  Cyhoeddwyd: (1973)
• Printed hearings of the House of Representatives found among its committee records in the National Archives of the United States, 1824-1958
  Cyhoeddwyd: (1974)
• On the "residue" in hearing
  gan: Boer, E. de
  Cyhoeddwyd: (1956)
• On the "residue" in hearing
  gan: Boer, E. de
  Cyhoeddwyd: (1956)