Daugman, John G.. "Anatomy, Physiology, and Development of the Iris." (2006).

Daugman, John G.. "The Importance of Being Random: Statistical Principles of Iris Recognition." Pattern Recognition  36, no. 2 (2003): 279-291.

Daugman, John G.. Biometric Personal Identification System Based on Iris Analysis., 1994.

Daugman, John G.. "High Confidence Visual Recognition of Persons by a Test of Statistical Independence." IEEE Transactions on Pattern Analysis and Machine Intelligence 15, no. 11 (1993): 1148-1161.