II. Source Materials by type All oral materials gathered by the project and deposited at the various Archives for the History of Quantum Physics are listed alphabetically, by informant's name, on pp. 100-102. A few similar records, currently held elsewhere, are cited below.

Lectures and seminars by:

Letters (see correspondents by name in index III)

Manuscripts by (see also Notes by) :

Memoirs by and about:

Notes by (see also Manuscripts by) :

Photographs:

Approximately 50 photographs, deposited in the archive at Philadelphia and sometimes elsewhere, can be located through the project's catalog, for which see 107b. A few others are listed at 18d, 67b, 69a and 122d.