Dunphy 2010, p. 1529. Dunphy, Graeme (2010). "World Chronicles". In Dunphy, Graeme (ed.). Encyclopedia of the Medieval Chronicle. Leiden: Brill. pp. 1527–1532.
Dunphy 2010, p. 1528. Dunphy, Graeme (2010). "World Chronicles". In Dunphy, Graeme (ed.). Encyclopedia of the Medieval Chronicle. Leiden: Brill. pp. 1527–1532.
Lamprecht 1905; Ploetz 1883, pp. ix–xii; Bossuet 1810, pp. 1–6. Lamprecht, Karl (1905). What is history? Five lectures on the modern science of history. E. A. Andrews (trans.), William Edward Dodd (trans.). New York: Macmillan Co. pp. 181–227. OCLC1169422. Ploetz, Carl (1883). Epitome of ancient, mediaeval and modern history. Bossuet, Jacques Bénigne (1810). An universal history: from the beginning of the world, to the Empire of Charlemagne. Translated by Elphinston, James. R. Moore.