Columbia subject headings:
DeWitt, Bryce S. (Bryce Seligman), 1923-2004.
Quantum gravity.
Harvard subject headings:
DeWitt, Bryce S. (Bryce Seligman), 1923-
DeWitt, Bryce S. (Bryce Seligman), 1923-2004
Quantum gravity.
Princeton subject headings:
DeWitt, Bryce S. (Bryce Seligman), 1923-2004.
Quantum gravity.