-
Eugene, USA, 24–29 July 2011
-
Akron, USA, 10–15 July 2011
-
Boulder, CO, USA, 30 July–4 August 2006
-
Gainesville, FL, USA, 7–10 March 2004
-
Gainesville, Florida, USA, 10–12 March 2003
-
San Diego, California, USA, 4–9 August 2002
-
Gainesville, Florida, USA, 6–8 March 2002
-
Honolulu, Hawaii, USA, 6–11 January 2002
-
Boulder, Colorado, USA, 9–13 June 2001
-
San Diego, California, USA, 9–14 August 1998
-
Pennsylvania, USA, 19–23 May 1997
-
Chicago, Illinois, USA, 15–20 September 1996
-
Orlando, USA, 4–5 September 1996
-
Minneapolis, USA, 21–26 August 1995
-
Santa Barbara, California, USA, 6–10 August 1995
-
Santa Cruz, California, USA, 16–21 July 1995
-
Knoxville, Tennessee, USA, 11–15 July 1993
-
Snowbird, Utah, USA, 16–21 August 1992
-
Provo, Utah, USA, 9–14 August 1992
-
Detroit, MI, USA, 19–24 August 1990
-
Troy, NY, USA, 1–3 August 1990
-
Gaithersburg, Maryland, USA, 3–7 April 1989
-
Boston, MA, USA, 22–22 August 1987
-
Eugene, USA, 31 August–5 September 1986
-
Newark, New Jersey, USA, 12–15 August 1986
-
Ithaca, NY, USA, 10–15 August 1986
-
Pittsburgh, Pennsylvania, USA, 13–17 August 1984
-
University of Colorado, Boulder, USA, 29 July–3 August 1984
-
Santa Fe, New Mexico, USA, 2–6 April 1984
-
Callaway Gardens, Georgia, USA, 10–14 October 1983
-
Fort Collins, Colorado, USA, 2–6 August 1981
-
Santa Cruz, California, USA, 17–22 August 1980
-
Cleveland, Ohio, USA, 10–15 August 1980
-
Madison, USA, 23–28 July 1978
-
Syracuse, New York, USA, 30 May–2 June 1978
-
Madison, USA, 14–18 August 1972
-
Las Cruces, New Mexico, USA, 6–9 May 1969
-
Ann Arbor, Michigan, USA, 21–24 August 1966
-
Pennsylvania, USA, 22–27 August 1965