R. Kaczorowski, “‘Confession Seals the Mouth’ The cult of St. John of Nepomuk – a Martyr of the Sacramental Mystery – on the Example of 15 Songs from the Collection of Catholic Devotional Hymns for Church and Home Use, Published in Pelplin in 1871 Selected Theological and Musical Issues”, 10.14746/pst, vol. 39, pp. 245–256, Dec. 2021.