Roman Empire: Julius Caesar
Features a short biography of Caesar and information about the Gallic Wars.
http://homepages.iol.ie/~coolmine/typ/romans/romans6.html

The Landings of Caesar in Britain, 55 and 54 BC
History of Caesar's invasions of Britain, 55-54 BC. From Athena Review I.1.
http://www.athenapub.com/caesar1.htm

Caesar
By Plutarch. From the Internet Classics Archive.
http://classics.mit.edu/Plutarch/caesar.html

Gaius Julius Caesar
Java-based "interview" with Julius Caesar.
http://www.uoregon.edu/~mharrsch/caesar/

The Life of Gaius Julius Caesar
Detailed look at his life and battles.
http://www.geocities.com/caesarkevin/caesar.html

Dates for Julius Caesar's career
Summary time-line of consuls and significant political events in Caesar's life, 54-44 BC
http://www.csun.edu/~hcfll004/datesjc.html

Gaius Julius Caesar (100-44)
A comprehensive biography on all aspects of the life of Julius Caesar.
http://www.fenrir.dk/history/bios/caesar/

Julius Caesar
11-part succinct biography of Julius Caesar, "Roman patrician, politician, writer, reformator, general, dictator and god." Part of the Romans: Historical Persons Photo Archive.
http://sights.seindal.dk/sight/766_Julius_Caesar.html

About.com: Julius Caesar
Original articles on Caesar, index of pages on the people and events in his life and his legacy.
http://ancienthistory.about.com/library/bl/bl_topicsub_caesar.htm

The Heart of Change: Julius Caesar and the End of the Roman Republic
Succinct history of the Roman Republic in its transition from Republic to Empire, and Julius Caesar's impact on that change.
http://www.michaellorenzen.com/caesar.html

Opera Online: Caesar
Detailed biography of the life of Julius Caesar, his wars, and his assassination in the context of the Roman Republic.
http://ring.mithec.com/sarir/roman%20empire.html

Julius Caesar: The Last Dictator
Comprehensive full-length biographies of Julius Caesar, all major contemporaries (Pompey, Sulla, Marius, Antony, Brutus, Cato, more), sections focusing on life, campaigns, legacy, and private man.
http://www.heraklia.net/Caesar