Dates for Julius Caesar's career: Summary time-line of consuls and significant political events in Caesar's life, 54-44 BC
Gaius Julius Caesar: This webpage covers Caesar's early life and the Gallic wars.
Gaius Julius Caesar: Java-based "interview" with Julius Caesar.
Gaius Julius Caesar (100-44): A comprehensive biography on all aspects of the life of Julius 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.
Julius Caesar - Sources and Analogues: Several classical sources of modern knowledge about the historical Caesar.
Julius Caesar History: Detailed biography of the life of Julius Caesar, his wars, and his assassination in the context of the Roman Republic.
Julius Caesar Index: Original articles on Caesar, index of pages on the people and events in his life and his legacy.
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.
Life of Gaius Julius Caesar: Detailed look at the life and battles of Gaius Julius Caesar
Roman Empire: Julius Caesar: Features a short biography of Caesar and information about the Gallic Wars.
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.
The Internet Classics Archive | Caesar by Plutarch: Source biography for Caesar's life by Plutarch: from the Internet Classics Archive
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.