1460?-1529 1688-1744 1888-1965 901 alexander cyclesinliterature degenerationinliterature eliot englishpoetry etc historical historiography history historyandcriticism inliterature john literatureandthewar methodology mortalityinliterature oldageinliterature philosophy politicalaspects pope population regression(civilization)inliterature semantics skelton theory time trojanwar