- 1-83.
- Is-fonds
- 1920-1983.
Arranged into volumes and notebooks (1-7), drafts of published works (8-34), lecture notes (35-63), the United Theological College, Aberystwyth (64-67), the University of Wales (68-72), and miscellaneous (73-83).
Arranged into volumes and notebooks (1-7), drafts of published works (8-34), lecture notes (35-63), the United Theological College, Aberystwyth (64-67), the University of Wales (68-72), and miscellaneous (73-83).