A. (Arabic numerals) - Documents of Polish ministries, diplomatic posts and official institutions, 1919 - 1991 A.60 Polish Embassy in Rome, Italy, 1921 – 1939
Italian coal policy and Polish coal, 1932 – 1934 A. (Arabic numerals) – Documents of Polish ministries, diplomatic posts and official institutions, 1919 – 1991 A.60 Polish Embassy in Rome, Italy, 1921 – 1939