2004
Judy Lazar.
Noreascon 4, Part 42: Monday (06-Sep-2004)
2007
Judy Lazar, Vernor Vinge, and Adina Sobo.
Conjecture 6 part 11: Saturday (29-Sep-2007)
Christian McGuire, Judy Lazar, Howard V. Hendrix and Larry Niven.
Conjecture 6 part 16: Sunday (30-Sep-2007)
2008
ConDor 15 part 9: Saturday Afternoon (01-Mar-2008)