Title: Documentary testimony of Izyador Modelski, former military attaché of the Polish Embassy, Washington, D.C
Subtitle: Hearings before the Committee on Un-American Activities, House of Representatives, Eighty-first Congress, first session. Mar. 31 and Apr. 1, 1949.
Subjects: Polish Espionage
Places: United States
People: Izyador Rudolf Modelski (1888-)