Livy's Books From the Foundation of the City (Latin: Ab Urbe Condita Libri), often referred to as the History of Rome, is a monumental work written in the late first century BC. Like the poet Virgil, Livy benefited from the patronage of the emperor Augustus, and the early part of his history deals with the same legendary origins as Virgil's Aeneid. The narrative becomes progressively more historical as it goes on. Much of the work is lost with the two main extant portions being books I-X, dealing with foundation of Rome, the Monarchy, and the early history of the Republic to 292 BC, and books XX-XLV covering the Punic Wars and subsequent Mediterranean conflicts.
Free Online texts
Gutenberg: The History of Rome - Books 1 to 8 - Books 9 to 26 - Books 27 to 36 - Books 37 to the end, with fragments of the lost books, translated by D. Spillan and Cyrus R. Edmonds (1854).
Gutenberg: Roman History Bks I-III, translated by D. Osborne, A.J. Church, and J.H. Freese.
Livius.org: The Periochae - fragments of the lost books.
Loebulus. L114 - Livy I: Books 1-2. PDF of public domain Loeb edition in Latin and English.
Loebulus. L133 - Livy II: Books 3-4. PDF of public domain Loeb edition in Latin and English.
Loebulus. L191 - Livy IV: Books 8-10. PDF of public domain Loeb edition in Latin and English.
Loebulus. L355 - Livy VI: Books 23-25. PDF of public domain Loeb edition in Latin and English.
Loebulus. L367 - Livy VII: Books 26-27. PDF of public domain Loeb edition in Latin and English.
Loebulus. L381 - Livy VIII: Books 28-30. PDF of public domain Loeb edition in Latin and English.
Loebulus. L313 - Livy XI: Books 38-39. PDF of public domain Loeb edition in Latin and English.
Loebulus. L396 - Livy XIII: Books 43-45. PDF of public domain Loeb edition in Latin and English.
Online Library of Liberty: The History of Rome by Titus Livius, in 6 vols, translated by George Baker (1823). Multiple formats.
University of Adelaide (Internet Archive): The History of Rome, translated by George Baker. EPUB, HTML and MOBI formats.
Internet Archive: Kritische Untersuchungen über die Quellen der vierten und fünften Dekade des Livius, by Heinrich Nissen (1863).
Internet Archive: Historisch-kritische Untersuchungen zur dritten Dekade des Livius, by Herman Hesselbarth (1889).
Librivox: Titus Livius - public domain audiobook.
University of Vermont: Outline of Early Books of Livy.
Wikipedia: Ab Urbe Condita Libri (Livy)
Wikisource: 1911 Encyclopædia Britannica/Livy
The Great Conversation: Further reading at Tom's Learning Notes
Polybius: The Histories - used by Livy as a source for the Punic Wars.
Machiavelli: Discourses on Livy - A commentary on Livy's first ten books which expounds Machiavelli's views on republican government.
Latin Resources: Online materials for learning Latin.