An Apology for the Waldenses is a historical book written by Thomas Sims in 1827. The book provides a comprehensive account of the origin, orthodoxy, loyalty, and constancy of the Waldenses, a Christian movement that emerged in the 12th century in the Piedmont region of Italy. Sims presents a detailed history of the Waldenses, from their early days as a religious movement to their persecution by the Catholic Church and subsequent migration to other...