found: Library of Congress Manuscript Division for Krug, J.A. Papers, 1936-1950(Dr. James Boyd; b. 1904; corresp. of U.S. secretary of the interior Julius A. Krug)
found: NUCMC data from Harry S. Truman Library for His Papers, 1927-1971(Boyd, James, 1904- ; educator, army officer, government official, and mining corporation executive; director, U.S. Bureau of Mines, 1947-1951)
found: BGMI online, July 19, 1999(Boyd, James, 1904-1987)
found: National Academies Press, memorial tributes, volume 5:page 33 (James Boyd, b. Dec. 20, 1904; d. Nov. 24, 1987)