"Saddle, Lance and Stirrup"Archived 2012-08-23 at the Wayback Machine; for a concise argument for the common view, see Lynn White, Jr., Medieval Technology and Social Change, Oxford University Press, 1964, pp. 1–2.
Law, Robin (1976). "Horses, Firearms, and Political Power in Pre-Colonial West Africa, Past and Present". Past and Present (1): 112–132. doi:10.1093/past/72.1.112.
Thayer, Bill (September 4, 2013). "Ephippium". LacusCurtius – Smith's Dictionary of Greek and Roman Antiquities. Thayer's Note. Retrieved October 23, 2022.
web.archive.org
"Saddle, Lance and Stirrup"Archived 2012-08-23 at the Wayback Machine; for a concise argument for the common view, see Lynn White, Jr., Medieval Technology and Social Change, Oxford University Press, 1964, pp. 1–2.