- The early English dissenters in the light of recent research, 1550-1641 Volume 1
- The Early English Dissenters in the Light of Recent Research, 1550-1641; Volume 2
- The Church Covenant Idea: Its Origin And Its Development
- The 'Retractation' of Robert Browne, Father of Congregationalism: Being 'A Reproofe of Certeine Schismatical Persons [I.E. Henry Barrowe, John ... & Preaching of the Word of God'. Written
- The True Story Of Robert Browne, 1550-1633: Father Of Congregationalism