Keywords: Buttlar, Reformation, Livonia, Prussia

Keywords: Archbishop of Riga, Bishop of Dorpat, Bishop of Ösel-Wiek, Livonia, Teutonic Order

Keywords: Martin Luther, Reformation, Latvian literature

Keywords: History of Latvia, Reformation, Livonia, Riga

Keywords: Reformation, Church, Christianity, Western civilization, clash of civilizations

Keywords: Lutheran Reformation, main principles of the Lutheran Reformation, biblical theology, Gospel of Jesus Christ, Doctrine of Justification, Church and society, priesthood/ mediatorial issues, Reformation and Western culture, theology and society

Keywords: reform, reformation, counter-reformation, Martin Luther’s Theses