Abstracts of Dissertations and Thesis Defenses from 2021 to 2025 Defenses from 2016 to 2020 Defenses from 2011 to 2015 Defenses from 2006 to 2010 Defenses from 2001 to 2005 Defenses from 1996 to 2000 Defenses from 1991 to 1995 Defenses from 1986 to 1990 Defenses from 1981 to 1985 Defenses from 1978 to 1980