| Letters to members of the assembly, c. 2/10/1648 (5:337) | | |
| Letters to members of the assembly, c. 5/1/1648 (5:341) | | |
| Letter to the Church of Scotland, 6/7/1648 (5:342-343) | | |
| Letter to the House of Lords in commendation of William Launce, 6/9/1648 (5:344) | | |
| Letter to Dr Drake, 8/7/1648 (5:345) | | |
| Letter to Exeter about Mr Birch, 7/20/1649 (5:345) | | |
| Letter appointing a time for Samuel Mustons ordination, 8/24/1649 (5:346) | | |
| Letter to Edward Bowles and the ministers of York, 5/9/1650 (5:346) | | |
| Letter to the Classis of Utrecht, 5/6/1647 (5:329) | | |
| Letter to ministers who subscribed the testimonial for Mr Hunchset, c. 9/23/1647 (5:332) | | |
| Draft letter to the Church of Scotland, 11/9/1647 (5:334-335) | | |
| Letter to assembly members, c. 5/1/1646 (5:304) | | |
| Letter to a committee of the House of Commons with a further enumeration of scandalous sins, 5/22/1646 (5:304) | | |
| Letter to the House of Commons regarding proof texts of scripture, 10/13/1646 (5:310-311) | | |
| Letter about Andrew Rivet, 12/5/1645 (5:262) | | |
| Letter to the people, clergy, or representatives of St Peter Port, Guernsey, c. 12/24/1645 (5:297) | | |
| Letter to the Church of Scotland, 1/15/1646 (5:297) | | |
| Letter to the Church of Scotland, 7/17/1645 (5:223) | | |
| Letter to Mr Herrings parish, 10/9/1645 (5:250) | | |
| Letter to the Church of Scotland, 5/5/1645 (5:192) | | |
