A plea for the non-conformists : Shewing the true state of their case: and how far the conformist's separation from the Church of Rome, for their popish superstitions, &c. introduc'd into the service of God, justifies the non-conformist's separation from them. In a letter to Dr. Benjamin Calamy, on his sermon (call'd scrupulous conscience) inviting hereto. To which is added, a parallel scheme of the Pagan, Papal, and Christian rites and ceremonies: and a narrative of the sufferings underwent By Thomas de Laune. With a preface by the author of the review.