John III Ducas Vatatzes' Byzantine imperium in Anatolian exile, 1222-54
Subtitle: the legacy of his diplomatic, military and internal program for the Restitutio orbis.
Publisher: University of California
Published: 1978
Place of publication: Los Angeles
Language: eng
Subjects: John -- III, -- Ducas Vatatzes, -- Emperor of Nicaea.
Notes: Ph.D.thesis, University of California, 1978.