Discussions and Arguments on Various Subjects, volume VII in the Birmingham Oratory Millenium Edition, is a collection of six articles, which were written between 1835, after the publication of The Arians of the Fourth Century, and 1866, when, as a Roman Catholic, Newman contributed a review to the Jesuit periodical The Month. Two of these articles appeared as Tracts for the Times; two are a series of letters to a newspaper. The letters discuss the nature of scientific knowledge as a quasi-substitute for faith, and the nature of the balance between executive power and democratic constraints....