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. I, 1.1.1957 – 31.5.1957 A. (Arabic numerals) – Documents of Polish ministries, diplomatic posts and official institutions, 1919 – 1991 A.44 The Polish Embassy to the Holy See