Correspondence - international relations issues. Great Britain affairs (1942-1944). Światowy Związek Polaków z Zagranicy, London (World Union of Poles Abroad). Printed publications concerning Polonia in the world during the war.
Archiwum Związku Bojowników o Wolność i Demokrację - teczka "Życiorysy, relacje, poglądy": materiały dot.: Roman Kołumbajew, imię ojca: Jefrosim, ur. 26-09-1925 r.
Correspondence - international relations issues. Pan-americanism (1936-1938). International political events, Polish affairs. Youth organizations.
Correspondence - international relations issues. Brazilian affairs (1944-1945). Exposes, speeches, declarations of Tadeusz Skowroński, Polish Legation in Rio.
Correspondence - international relations issues. Brazilian affairs (1944). Inter-American Juridical Committee in Rio de Janeiro. Reports on establishment of preliminary international organization, draft treaty for the coordination of the Committee.
Archiwum Związku Bojowników o Wolność i Demokrację: materiały dot.: Jan Baran, imię ojca: Jan, ur. 01-11- 1919 r.
Correspondence - international relations issues. Paraguay affairs (1920). Special reports, official invitations, correspondence with Legation in Paraguay. Formal recognition of the Polish Minister, on historical report on Paraguay.
Correspondence - international relations issues. Brazilian affairs (1943). Inter-American Juridical Committee in Rio de Janeiro. Reports and correspondence.
Correspondence - Polonia in Brazil - colonization (1928-1929). Outline of history and character of the Polish colony in Brazil and other proposals for publishing books on Poles in Brazil.
Correspondence - international relations issues. Brazilian affairs (1943-1944). Inter-American Juridical Committee in Rio de Janeiro. Copies of reports by Tadeusz Skowroński: "Regional Ententes in Central and Eastern Europe" (in English and French).
