"Notitia Dignitatum Imperii Romani ex nova recensione Philippi Labbe, cum pluribus aliis Opusculis, Indicibus ac Notis", Parisiis, Typographia Regia, 1601. Small 8vo, pp.[20], 266, [92]. Fine contemporary vellum. Complete: full page engraved frontis, Royal engraved device on title, ancient circular illegible stamp on title. A fine, clean copy. Third edition of the famous Notitia Dignitatum, a fundamental geographical source of the late Roman Empire. The other works include the very important 4^th century anonymous work: Descriptio Orbis Constantinopolitani, a unique source for the 4^th century Constantinople, the Descriptio Illyrici Provinciarum, a rare geographical work for Greece and the Balkans, as well the Descriptio Orbis Romae and several other minor Roman works. The Notitia Dignitatum  is a very extent Roman official document which describes all the administrative organisation of the early Byzantine Empire of late 4^th-early 5^th century, covering the East and most of the west part of the Empire. It describes provincial governments, diplomatic missions, army units and stations as well as thousands offices. Therefore, it is a unique geographical and historical source. EXTREMELY RARE.