Chapter 38: is on the geography of the East in the writings of

Henri de Valenciennes and Villehardouin.

Cumont, Franz. _After Life in Roman Paganism_, New Haven, 1922.

Cusa, Salvatore. _Sulla denominazione dei venti e dei punti cardinali,
e specialmente de Nord, Est, Sud, Ouest_, in: Terzo Congresso
Geografico Internazionale tenuto a Venezia dal 15 al 22 settembre
1881, vol. ii, Rome, 1884, pp. 375–415.

Dahlmann, Joseph. _Die Thomas-Legende und die ältesten historischen
Beziehungen des Christentums zum fernen Osten im Lichte der
indischen Altertumskunde_, Freiburg-im-Breisgau, 1912.

DANIEL OF MORLEY. _De philosophia_, or _Liber de naturis inferiorum et
superiorum_, edited by K. Sudhoff in: Archiv für die Geschichte
der Naturwissenschaften und Technik, vol. viii, pts. 1–3, Leipzig,
June, 1917, pp. 1–40.

See Birkenmajer, A.; Singer, _Daniel of Morley_, 1920.

DANTE. I. _Tutte le opere_, edited by Edward Moore, Oxford, 1894. A
convenient edition of all the works. II. _The Convivio [Convito]
of Dante Alighieri_, translated by P. H. Wicksteed, London, 1903.
III. _Dante, De vulgari eloquentia_, translated by A. G. F.
Howell, London, 1890. IV. _The Divine Comedy._ Among the numerous
English translations note especially that of C. E. Norton, 3
vols., Boston, 1891–1892. V. _Quaestio de aqua et terra_ [not
certainly the work of Dante], edited by C. L. Shadwell, Oxford,
1909, with English translation. German translation by Josef
Krejcik, _Dantes Quaestio de aqua et terra_, in: Kartographische
und Schulgeographische Zeitschrift, vol. ix, Vienna, 1921, pp.
107–110, 136–140.

For further material on Dante’s cosmology and geography see
Andriani, G.; Benini, R.; Boffito, _Intorno alla “Quaestio de aqua
et terra_,” 1902–1903; Coli, E.; Moore, E.; Mori, _La geogr._,
1922; Schmidt, W.; and references in Krejcik, _op. cit._

Daunou, P. C. F. _Discours sur l’état des lettres au xiii^e siècle_,
Paris, 1860. Also in: _Histoire littéraire de la France_, vol.
xvi, Paris, 1824, pp. 1–254.