Calendar of Bishop John Williams letters,
- NLW MS 16268D.
- Ffeil
- [1943].
Typescript calendar, [1943], of correspondence, 1623-1641, of John Williams, Bishop of Lincoln, held by Lincoln Diocesan Record Office, now part of Lincolnshire Archives (ff. 1-4).
The calendar summarises the contents of twenty-three letters to Williams, 1623-1641, and five copy and draft letters by him, 1623-1631.