William F. Fagan (chair/editor), Holographic Optical Security Systems, European Congress on Optics 4, 14-15 March 1991, The Hague, The Netherlands, Vol. 1509.
William F. Fagan (chair/editor), Optical Security and Anticounterfeiting Systems, 15-16 January 1990, Los Angeles, California, USA, SPIE Vol. 1210.
William F. Fagan (chair/editor), Optical Security Systems II, 2nd International Symposium for the Application of Holography in Security, Optical Data Storage and Display, October 12-14, 1988, Zurich, Switzerland.