6. Certain Letters which Passed between the Penman of this Treatise and Certain Men Newly Come out of Old England into New. By Samuell Gorton. (London Edition).
7. Letters to Nathaniel Morton and others. By Samuell Gorton. (Some of these letters are in the possession of Mr. Edward Crowninshield, of Boston).
8. Life of Samuel Gorton. By John M. Mackie. (Sparks’s American Biography).
9. A Defence of Samuel Gorton and the Settlers of Shawomet. By George A. Brayton. Late Justice of the Supreme Court of Rhode Island (R. I. Historical Tracts, No. 17.—Sidney S. Rider).
10. Historical Discourse—Calendar.
11. Rhode Island Colonial Records.
12. Massachusetts Colonial Records.
13. Records of Plymouth Colony.
14. Town Records of Portsmouth.
15. Town Records of Providence.