Secretariat of the Polish Sejm (Lower House of Parliament), 1937-1939.

A. (Arabic numerals) - Documents of Polish ministries, diplomatic posts and official institutions, 1919 - 1991 A.8 Secretariat of the Polish Sejm (Lower House of Parliament), 1937-1939.

Secretariat of the Polish Sejm (Lower House of Parliament), 1937-1939. A. (Arabic numerals) – Documents of Polish ministries, diplomatic posts and official institutions, 1919 – 1991 A.8 Secretariat of the Polish Sejm (Lower House of Parliament), 1937-1939.