The Punitive Expedition Military Reform and Communications Intelligence. - David A. Hatch (Cryptologia, 2007)

From the Archives: Friedman Takes the Stand. - David A. Hatch (Cryptologia, 2008)

Ann Zeilinger Caracristi (1 February 1921-10 January 2016). - Betsy Rohaly Smoot; David A. Hatch (Cryptologia, 2016)