MacDermott, Mercia. The apostle of freedom : A portrait of Vasil Levsky against a background of nineteenth century Bulgaria / Mercia MacDermott. - Sofia : Sofia Press, 1979. - 400 p., [4] leaves of plates : ill. ; 21 cm. Bibliography: p. 395-400. Subjects--Personal Names: Levski, Vasil Ivanov, 1837-1873. Subjects--Topical Terms: Revolutionaries--Biography.--Bulgaria Subjects--Geographic Terms: Bulgaria--History--1762-1878.