The files include the text of a speech delivered on 31 July 1941 by erstwhile head of the Polish government-in-exile and commander of Polish armed forces in the West, General Wladyslaw Sikorski; instructions for a media campaign by Polish foreign missions in March 1940; and the personal files of writer Jaroslaw Iwaszkiewicz (from 1932 to 1964) who was also President of the Polish Writers’ Union.

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