Klassifikation der Library of Congress [LCC] (USA)BV125.F55
⮑ BV. Practical Theology
⮑ BV1-5099. Practical Theology
⮑ BV5-530. Worship (Public and private)
⮑ BV30-135. Times and seasons. The Church year
⮑ BV107-133. Lord's Day. Sunday. Sabbath