Bialoguski, Michael, 1917- The case of Colonel Petrov: how I weaned a high MVD official from communism / Micheal Bialoguski - New York: McGraw-Hill, [1955] - 238 p.: illus.; 21 cm. LCCN: 55-011920 Subjects--Personal Names: Petrov, Vladimir Mikhaelovich. Subjects--Topical Terms: Secret service. Dewey Class. No.: 364.13