7 in '77
Australia in 2010
Baycon II in '72
Big 'D' in '59
Boston in '67
Boston in 71
Boston in 2004
Breckenridge in '85
Britain in '87
Britain in '97
Chicago: 1959
Chicago in 1962
Cleveland in '55
Columbus in '69
DC in '84
DC in 1960
DC in 1992
Detroit in '59
Gulag in '84
Hawaii in '93
Hawaii in 1981
Highmore in '76
Hong Kong in 1997
Ingolstadt in 1984
Johnstown in 1983
KC in 2000
Kansas Citicon in 77
Kent in 1984
LA in '81
LA in '90
London in 1957
Los Angeles in 1957
Milwaukee in 1994
Mordor in '64
New Orleans in '79
New York in '92
New York in '98
New York in 1989
Not Dundalk in '92
Orlando in '92
Philadelphia in 1960
Philadelphia in 1977
Phoenix in 1987
Pittsburgh in '60
Pluto in '87
San Diego in '87
South Gate in '58
St. Ghu in '82
Stockholm in 1976
Stockholm in 1980
Syracuse in '67
Terminus in 23,309
Tillamook in 1981
Titanicon in 2012
Tulsa in '88
Wintersection
Worldcon Zagreb in 1999
Yugoslavia in '88
Zagreb in 1993