S.M. Shah Retirement
Conference, May 1976.
:w 
Frank Keogh Retirement Conference, May 1983
Bieberbach Conference in Complex Analysis
Purdue University, March 1985
Gregynog Conference in Partial
Differential Equations,
August 1989
Al Baernstein, 65 th Birthday Celebration,
May 2005
Ted Suffridge 75 th Birthday Celebration,
May 2008
Conference celebrating the work of David Drasin
and Linda Sons,
May 2010
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