ローマ帝国衰亡史
According to Edward Gibbon, in the first volume of "The History of the Decline and Fall of the Roman Empire" (1776–89), "Twenty-two acknowledged concubines, and a library of sixty-two thousand volumes, attested to the variety of [Gordian's] inclinations; and from the productions that he left behind him, it appears that the former as well as the latter were designed for use rather than ostentation."