The mystics of Siena / Piero Misciattelli. English version by M. Peters-Roberts; with twenty illustrations. Misciattelli, Piero, marchese, 1882- Peters-Roberts, Margaret. Catholic Church Italy Siena. Art Italy Siena. Mysticism Italy. BX1548.S5 M5 927 SIM Cambridge : W. Heffer & sons, ltd., 1929. 1929. 1929 Text xv, 185 p. : eng engita Siena (Italy) Italy Siena. Italy.