P. Gamlin, A. Reiner: The Edinger-Westphal nucleus: sources of input influencing accommodation, pupilloconstriction, and choroidal blood flow. In: J Comp Neurology. Band306, Nr.3, April 1991, S.425–438, PMID 1713924.
Abbildung. Alexander Duane: Studies in monocular and binocolar accommodation with their clinical applications. In: Transactions of the American Ophthalmological Society. Band20, 1922, S.132–157, PMID 16692582, PMC 1318318 (freier Volltext) – (englisch).