""Principles of Protestantism: Considered with a View to Unity"" is a book written by Ernest Silvanus Appleyard and published in 1848. The book discusses the fundamental principles of Protestantism and how they can be used to promote unity among Protestants. Appleyard argues that the key to unity is a shared understanding of the core tenets of Protestantism, including the authority of scripture, justification by faith, and the priesthood of all believers...