Adamczyk, J. 2026. The Littera commendatitiae (commendatory letter) – Is it Solely a Means of Protecting the Sanctity of the Most Holy Sacrifice and the Sacrament of the Eucharist?. Prawo Kanoniczne. 69, 3 (Sep. 2026), 5–27. DOI:https://doi.org/10.21697/pk2026.69.3.01.