Clarke, Joseph I. C. (1919). Japan at First Hand. New York: Dodd, Mead and Co. pp. 21–24.
Satow, Ernest Mason; Hawes, A. G. S. (1884). A Handbook for Travellers in Central and Northern Japan (Second ed.). London: John Murray. p. 49. From San-ga-ura there is also a road to Kamakura by the hamlet of Kotsubo which follows the shore for the greater part of the way.
