Denvention Two : the 39th World Science Fiction Convention, Denver, 1981.

CoNZealand : 78th World Science Fiction Convention : from New Zealand to the world, a virtual Worldcon /
Published: (2020)

Intersection "the Scottish Worldcon" : the 53rd World Science Fiction Convention : pocket programme guide /
Published: (1995)

MidAmeriCon II : the 74th World Science Fiction Convention : August 17-21, 2016 Kansas City, Missouri.
Published: (2016)

Teaching science fiction & science fiction anthologies /
Published: (1994)

Midamericon program book : 34th World Science Fiction Convention, Radisson Muehlebach Hotel/Phillips House, September 2-6, 1976.
Published: (1976)

L.A. con III : the 54th World Science Fiction Convention, August 29th - September 2, 1996, Anaheim Convention Center, Anaheim Hilton & Towers, Anaheim Marriott : writer guest of honor, James White.
Published: (1996)

Splitting infinity : Interaction, the 63rd World Science Fiction Convention, Glasgow, United Kingdom, 4-8 August 2005 /
Published: (2005)

Torcon 3 : 61st World Science Fiction Convention, Toronto, August 28 to September 1, 2003 /
Published: (2003)

11th World Science-Fiction Convention, Bellevue-Stratford-Philadelphia, 1953 /
Published: (1953)

ConAdian souvenir book : the 52nd World Science Fiction Convention, September 1 - September 5, 1994, Winnipeg, Manitoba, Canada.
Published: (1994)

Intersections : fantasy and science fiction /
Published: (1987)

Frontier crossings : a souvenir of the 45th World Science Fiction Convention, Conspiracy '87, held in Brighton, Gt Britain, from August 27th to September 1st 1987 /
Published: (1987)

Preliminary status passage of the science fiction fan : becoming a member of the science fiction fan subculture /
Published: (1994)

Seacon '79 : 37th World Science Fiction Convention, Metropole Hotel, Brighton, England, 23rd - 27th August, 1979 /
Published: (1979)

Noreascon two : the 38th World Science Fiction Convention : guests of honor, professional, Kate Wilhelm, Damon Knight, fan, Bruce Pelz, toastmaster, Robert Silverberg : Sheraton Boston Hotel, Hynes Civic Auditorium, August 29-September 1, 1980.
Published: (1980)

Hard science fiction /
Published: (1986)

Hard science fiction /
Published: (1986)

Future imperfect : science fact and science fiction /
Published: (1980)

Coordinates : placing science fiction and fantasy /
Published: (1983)

Coordinates : placing science fiction and fantasy /
Published: (1983)

LoneStarCon 3 : the 71st World Science Fiction Convention, August 29 - September 2, 2013, San Antonio, Texas.
Published: (2013)

Magicon : the 50th World Science Fiction convention, Orlando, Florida, September 3-7, 1992.
Published: (1992)

Science fiction: arts and sciences : program book, the 13th Annual Conference of the Science Fiction Research Association, June 9, 10, 11, & 12, 1983, Midland, Michigan.
Published: (1983)

Vølve Scandinavian views on science fiction : selected papers from the Scandinavian Science-Fiction Festival, 1977 /
Published: (1978)

L.A. Con II : 42nd World Science Fiction Convention : 30 August-3 September 1984 : The Anaheim Convention Center.
Published: (1984)

ConFrancisco : the 51st World Science Fiction Convention, September 2-6, San Francisco, California USA.
Published: (1993)

Renovation : the 69th World Science Fiction Convention, August 17-21, 2011, Reno, Nevada : convention guide /
Published: (2011)

Worldcon 76, San Jose 2018 : the 76th World Science Fiction Convention.
Published: (2018)

OtherCon six and two-thirds.
Published: (1989)

Out of this world : science fiction, but not as you know it /
by: Ashley, Michael
Published: (2011)

The Sixteenth Annual Conference of the Science Fiction Research Association, Inc.
Published: (1985)

Noreascon Three, August 31 - September 4, 1989, the 47th World Science Fiction Convention.
Published: (1989)

The journal of the World Science Fiction Society, inc.
Published: (1956)

Confederation : 44th World Science Fiction Convention : August 28-September 1, 1986, Atlanta, Georgia.
Published: (1986)

Age of wonders : exploring the world of science fiction /
by: Hartwell, David G.
Published: (1996)

Repertory of the Italian professionals in science fiction and fantasy, 1981 /
Published: (1981)