Frank Tibor: From Habsburg Agent to Victorian Scholar: G. G. Zerffi 1820 - 1892 - East European Monographs 576. Atlantic Studies on Society Change 105. (New York, 2000)
Frank Tibor: From Habsburg Agent to Victorian Scholar: G. G. Zerffi 1820 - 1892 - East European Monographs 576. Atlantic Studies on Society Change 105. (New York, 2000)
