Kirkko-K?sikirja, published in 1884, provides detailed regulations for conducting divine service in the Evangelical-Lutheran congregations of the Grand Duchy of Finland. Prepared by a committee selected by the Church Assembly in 1876, this manual outlines the order and practice of worship within the Finnish Lutheran tradition. This historical document offers valuable insights into the religious practices and ecclesiastical governance of Finland during the late 19th century. For historians, theologians, and those interested in Finnish cultural heritage, "Kirkko-K?sikirja" is an essential resource.T