* {{citeKitap bookkaynağı | last=Bury | first=John Bagnell | authorlink=J. B. Bury | title=The Imperial Administrative System of the Ninth Century - With a Revised Text of the Kletorologion of Philotheos | year=1911 | location=London | publisher=Published for the British Academy by Henry Frowde, Oxford University Press | url=https://archive.org/details/imperialadminist00buryrich | ref=harv}}
* {{citeKitap bookkaynağı|last=Tougher|first=Shaun|title=The Reign of Leo VI (886-912): Politics and People |year=1997|location=Leiden, The Netherlands|publisher=Brill|url=https://books.google.com/books?id=iPquae5A4zIC|isbn=978-90-04-10811-0|ref=harv}}