TY - BOOK AU - Constantine VII Porphyrogenitus, Emperor of the East AU - Pertusi, Agostino TI - De thematibus ET - [Private reproduction] PB - Biblioteca apostolica vaticana PY - 1952 T2 - Studi e testi VL - 160 EP - xv, 210 p. UR - http://ci.nii.ac.jp/ncid/BA19952139 ER -