| A speech in Parliament (1642) by William Fiennes | | |
| A speech of the right honorable the Lord Vicount Say and Seale, one of his Maiesties Privie Councell. Spoken in Parliament the 25th. day of February, Anno Dom. 1642 (1642) by William Fiennes | | |
| Folly and madnesse made manifest (1659) by William Fiennes | | |
| In answer to the Lord Arch-bishop of Canterburies last speech, and concerning the liturgie of the Church of England (1641) by William Fiennes | | |
| The Scots designe discovered (1654) by William Fiennes | | |
| Tvvo speeches in Parliament of the right honourable William, Lord Vicount Say and Seale (1641) by William Fiennes | | |
