Although numerous texts are available in translation that illustrate the papal side of the Investiture Controversy, few accounts exist that convey the position of secular leaders. Imperial Lives and Letters fills this gap, offering the full text of "The Deeds of Conrad II" (1024–1139) by Wipo, "Life of Emperor the Henry IV" (1056–1106) and the Letters of Henry IV.
Christian Matthias Theodor Mommsen was awarded the Nobel Prize in Literature in 1902, for being "the greatest living master of the art of historical writing, with special reference to his monumental work, A History of Rome."