The great work of Gibbon is indispensable to the student of history. The literature of Europe offers no substitute for The Decline and Fall of the Roman Empire. It has obtained undisputed possession, as rightful occupant, of the vast period which it comprehends. However some subjects, which it embraces, may have undergone more complete investigation, on the general view of the whole period, this history is the sole undisputed authority to which all defer, and from which few appeal to the original writers, or to more modern compilers.