Henry Fynes Clinton (1781–1852) made an innovative contribution to classical scholarship with this history of the Roman Empire, published in two volumes in 1845 and 1850. Applying a scientific method of analysis to the study of ancient history, he organises the information chronologically in tables, demonstrating the connection between different spheres at various phases of development of the empire. Volume 2 contains appendixes to the first volume including genealogical tables of the emperors and of the Kings of Persia, indices for the authors (including abstracts from selected works), imperial documents, and an index of Christian bishops. Among his sources are chronicles, law codes, medals and coins, and classic literature, covering over five hundred years of the Roman Empire. The second volume also begins with the death of Augustus, but extends the chronological scope further, to the death of the Byzantine Emperor Heraclius in 614 CE.