Large Catechism (Part 3) The First Commandment
Link: http://www.projectwittenberg.org/pub/resources/text/wittenberg/luther/catechism/web/cat-03.html
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Link: http://www.projectwittenberg.org/pub/resources/text/wittenberg/luther/catechism/web/cat-03.html
Link
by Dane Carlson