Audio tapes:
Tape 1 (covers 1903-23);
Tape 2 (covers 1923-30, recorded December 1996);
Tape 3 (covers 1930-34);
Tape 4 (covers 1935-40, including B J's return to Cambridge in 1938);
Tape 5 (covers 1940-47, recorded April 1997);
Tape 6 (covers 1947-58, including America 1947-51, recorded September 1997);
Tape 6a (covers 1955-57);
Tape 7 (covers 1958-59, including India 1959);
[no tape 8];
Tape 9 (covers 1960-69, recorded September 1997);
Tape 10 (covers 1969-71);
Tape 11 (covers 1971-77, recorded December 1997);
Tape 12 (covers 1977-85, recorded February 1998);
Tape 13 (covers the 1980s, recorded May 1998);
Tape 14 (recorded May 1998);
Tape 15 (covers the 1990s, also Paris trip in 1950, recorded May 1999).