867825 Title page to Martin Luther\'s Address to the Christian Nobility of the German Nation, published in Wittenberg, 1520 (woodcut) by German School, (16th century); (add.info.: Martin Luther (1483-1546), German monk and theologian who became a seminal figure in the Protestant Reformation. In the publication Luther set out his concept of the priesthood of all the believers.); German, out of copyright.