Read JH Newman's inflammatory 1859 piece, "On Consulting the Faithful in Matters of Doctrine," featured in the Catholic periodical The Rambler.
Complete electronic text of Newman's work on inference, the "illative sense," and how we attain justified conviction in matters of religion.
Complete electronic text of Newman's work exploring what changes and what remains the same as doctrine develops.
Consider John Henry Newman's celebrated 1864 justification of his intellectual honesty, made in response to an attack by Charles Kingsley.