Internal instructions of the Catholic Church, 1938

Internal instructions of the Catholic Church, 1938 A. (Arabic numerals) – Documents of Polish ministries, diplomatic posts and official institutions, 1919 – 1991 A.44 The Polish Embassy to the Holy See

Internal instructions of the Catholic Church, 1939

Internal instructions of the Catholic Church, 1939 A. (Arabic numerals) – Documents of Polish ministries, diplomatic posts and official institutions, 1919 – 1991 A.44 The Polish Embassy to the Holy See