The Theses of Erastus Touching Excommunication is a book written by Thomas Erastus and originally published in 1589. This particular edition was published in 1844 and includes an introduction by John Eadie. The book is a defense of Erastus' views on church discipline and excommunication, which were controversial at the time. Erastus argued that civil magistrates, rather than church officials, should have the ultimate authority to excommunicate members...