"Protestantism originated in the 16th-century Reformation, and its basic doctrines, in addition to those of the ancient Christian creeds, are justification by grace alone through faith, the priesthood of all believers, and the supremacy of Holy Scripture in matters of faith and order." "The Protestant Heritage" Encyclopædia Britannica. 2007. Encyclopædia Britannica Online. 20 Sept. 2007 "The Protestant Heritage -- Encyclopędia Britannica". Archived from the original on 2006-06-14. Retrieved 2007-09-20.
Martin Luther, Weimar Ausgabe, vol. 6, p. 407, lines 19–25 as quoted in Timothy Wengert, "The Priesthood of All Believers and Other Pious Myths," page 12 "Archived copy". Archived from the original on 2015-10-11. Retrieved 2013-06-24.{{cite web}}: CS1 maint: archived copy as title (link).
"Protestantism originated in the 16th-century Reformation, and its basic doctrines, in addition to those of the ancient Christian creeds, are justification by grace alone through faith, the priesthood of all believers, and the supremacy of Holy Scripture in matters of faith and order." "The Protestant Heritage" Encyclopædia Britannica. 2007. Encyclopædia Britannica Online. 20 Sept. 2007 "The Protestant Heritage -- Encyclopędia Britannica". Archived from the original on 2006-06-14. Retrieved 2007-09-20.
Martin Luther, Weimar Ausgabe, vol. 6, p. 407, lines 19–25 as quoted in Timothy Wengert, "The Priesthood of All Believers and Other Pious Myths," page 12 "Archived copy". Archived from the original on 2015-10-11. Retrieved 2013-06-24.{{cite web}}: CS1 maint: archived copy as title (link).