Julius Caesar: The Last Dictator
- Biographies of Julius Caesar and his contemporaries.
- http://web.mac.com/heraklia/Caesar/

The Administration of Constantine and His Sons
- Complete text from The History of the Christian Church by Henry C. Sheldon, 1895.
- http://www.edwardtbabinski.us/sheldon/constantine.html

De Imperatoribus Romanis
- On-line encyclopedia on the rulers of the empire from Augustus (27 B.C.-14 A.D.) to Constantine XI Palaeologus (1449-1453).
- http://www.roman-emperors.org/startup.htm

Roman Emperors in Marble
- Includes 16 pictures of Roman Emperors from the Ny Carlsberg Glytotek collection.
- http://home.swipnet.se/~w-41909/marmorei.html

Roman Emperor
- Essay from Wikipedia that lists the history and powers of the office of Roman Emperor.
- http://en.wikipedia.org/wiki/Roman_emperors

De Imperatoribus Romanis (DIR)
- Online encyclopedia covering the rulers of the Roman Empire from Augustus (27 BC-AD 14) to Constantine XI Palaeologus (1449-1453).
- http://www.roman-emperors.org/

Crazy Caesars of Rome
- Short biographies of the personal lives of insane Roman emperors.
- http://www.xs4all.nl/~kvenjb/madrome.htm

A Visual Compendium of Roman Emperors
- An illustrated listing of emperors compiled by Justin Paola.
- http://www.roman-emperors.com/

Victorinus
- Biography of the emperor Victorinus who ruled in the 3rd Century and was murdered by one of his own guards.
- http://www.roman-emperors.org/victorin.htm

Vaballathus and Zenobia
- Offers a biography and overview of the reigns of the Roman Emperors Vacallathus and Zenobia.
- http://www.roman-emperors.org/zenobia.htm

Rome Under Better Emperors 96-180
- History of Rome under the five good emperors as told by Sanderson Beck.
- http://www.san.beck.org/AB8-Rome96-180.html

Roman Empire In Turmoil 180-285
- Overview the imperial reigns of the Severan emperors as part of a bigger work chronicling the Roman empire in turmoil from 180-285 AD.
- http://www.san.beck.org/AB9-RomanTurmoil180-285.html#2

The Powers of the Emperor
- Brief summary listing the powers of Roman Emperors.
- http://www.skidmore.edu/academics/classics/courses/1999spring/cl200/emperor.html

Numerian
- Information on the life and death of the Roman Emperor Numerian.
- http://www.roman-empire.net/decline/numerian.html

Later Roman Emperors, 306-395 A.D.
- Details the lives and reigns of some of the last Western Roman Emperors.
- http://homeport.tcs.tulane.edu/~august/H303/chronologies/Later_Roman_Emperors.htm

Imperial Stemmata
- Provides detailed family charts for the different imperial dynasties of ancient Rome.
- http://www.acs.ucalgary.ca/~vandersp/Courses/stemmata/stemmata.html

Caligula, Nero and Family
- Rule by the Julio-Claudians from Tiberius to Nero. Includes a brief biography of each emperor.
- http://www.fsmitha.com/h1/ch20.htm