Correspondence, memoranda, government documents, bulletins, reports, studies, speeches and writings, printed matter, photographs, clippings, newspapers, periodicals, sound recordings, videotape cassettes, and microfilm, relating to events and conditions in Poland during World War II, the German and Soviet occupations of Poland, treatment of the Jews in Poland during the German occupation, and operations of the Polish underground movement during World War II. Includes microfilm copies of Polish underground publications.