Attributed to Henry Robinson and Roger Williams. Sometimes attributed to William Walwyn; this attribution rejected by McMichael and Taft, The writings of William Walwyn, page 528.
Annotation on Rhode Island Historical Society Library copy supposed that Roger Williams, founder of Rhode Island, was the author, as it was bound in the 1644 book "The Bloudy Tenent of Persecution, for Cause of Conscience, Discussed in a Conference between Truth and Peace."
Description based on online resource; title from PDF title page (LLMC Digital, viewed April 2, 2019).