Collections of hymns are known as hymnals or hymn books. She has written numerous hymns, several of which appear in church hymnals. Luther's hymns were included in early Lutheran hymnals and spread the ideas of the Reformation. The hymn appears in many hymnals. Today it is a widely known hymn included in hymnals of many Christian denominations. The hymn has appeared in 45 hymnals. This hymn was titled "China" in some hymnals of the 19th century. The Methodist Church has used a succession of hymnals and service books. The song has become part of the German Protestant and Catholic hymnals. In early hymnals, only texts were printed. It also is found in current Anglican and Lutheran hymnals. Messianic hymnals often also incorporate Israeli songs. The hymnals and service books of the Ethiopian church are particularly obscure. General confession, as well as Holy Absolution, are still contained in the Lutheran hymnals. Contemporary English hymnals print various versions ranging from four to eight verses.