A. (Arabic numerals) - Documents of Polish ministries, diplomatic posts and official institutions, 1919 - 1991 A.44 The Polish Embassy to the Holy See
Poland and relations with other States, Vol. II, 23.5.1955 – 5.11.1955 A. (Arabic numerals) – Documents of Polish ministries, diplomatic posts and official institutions, 1919 – 1991 A.44 The Polish Embassy to the Holy See