luther and zwingli dispute about the lord`s supper at marburg, door of the grossmunster church in zurich

1529 ancient antique architecture belief building cathedral christian christianity church culture dispute door europe european faith grossmunster heritage hesse historic history landgrave landmark lord luther marburg medieval melanchthon metal monastery monument oecolampadius old peaceful philip protestant religion religious sacred saint spiritual spirituality supper swiss switzerland symbol urban zurich