Revised rules of the Supreme Court of the United States : adopted February 13, 1939. Effective February 27, 1939. Amended March 25, 1940, October 21, 1940 and May 26, 1941. Later amendments, printed pages 41-55. (The Acts of February 13, 1925, c. 229, 43 Stat. 936, January 31, 1928, c. 14, 45 Stat. 54, April 26, 1928, c. 440, 45 Stat. 466, and August 24, 1937, c. 754, 50 Stat. 751, are printed in an Appendix.).