04.↑ Sacramental Rites in the Coptic Orthodox Church. Copticchurch.net. 4 August 2016.↑ 11.0 11.1 Haffner, Paul (1999). The Sacramental Mystery (ඉංග්‍රීසි බසින්). Gracewing Publishing. p. 11. ISBN 9780852444764. The Augsburg Confession drawn up by Melanchton, one of Luther's disciples admitted only three sacraments, Baptist, the Lord's Supper and Penance. Melanchton left the way open for the other five sacred signs to be considered as "secondary sacraments". However, Zwingli, Calvin and most of the later Reformed tradition accepted only Baptism and the Lord's Supper as sacraments, but in a highly symbolic sense.↑ Smith, Preserved (1911). The Life and Letters of Martin Luther. Houghton Mifflin. p. 89. In the first place I deny that the sacraments are seven in number, and assert that there are only three, baptism, penance, and the Lord's Supper, and that all these three have been bound by the Roman Curia in a miserable captivity and that the Church has been deprived of all her free