The imperial administrative system in the ninth century

Bury, J. B. 1861-1927. The imperial administrative system in the ninth century: with a revised text of the Kletorologion of Philotheos / J.B. Bury . - New York : Burt Franklin, [1911] . - 180 p. 24 cm.
К.: Бібліогр. : с. 3-6


Philotheus Kletorologion