In 1785, while Priestley was engaged in a pamphlet war over Corruptions, he also published The Importance and Extent of Free Enquiry, claiming that the Reformation had not really reformed the church.
Pada tahun 1785, ketika Priestley terlibat dalam perang pamflet melawan Corruptions, ia juga menerbitkan The Importance and Extent of Free Enquiry, yang mengklaim bahwa Reformasi belum benar-benar mereformasi gereja.