. "L.A.con II in Anaheim, United States"@en . . . "The 41st World Science Fiction Convention (Worldcon), also known as ConStellation, was held September 1\u20135, 1983, at the Baltimore Convention Center in Baltimore, Maryland, United States. The chairman was Michael J. Walsh. Total attendance was approximately 7,000."@en . "United States"@en . . . . "41st World Science Fiction Convention"@en . . . . . . . . . . . . . . . . . "7000"^^ . . . . . . . . . . . . . . . . "3882"^^ . "42"^^ . . . . . . . . . . . "ConStellation, the 41st World Science Fiction Convention"@en . . . . "ConStellation in Baltimore, United States"@en . . . . . . . . "ConStellation, the 41st World Science Fiction Convention"@en . "9711143"^^ . . . . . . . . . . . "non-profit"@en . . . . "40"^^ . "--09-05"^^ . "Chicon IV in Chicago, United States"@en . . . . . . . . "The 41st World Science Fiction Convention (Worldcon), also known as ConStellation, was held September 1\u20135, 1983, at the Baltimore Convention Center in Baltimore, Maryland, United States. The chairman was Michael J. Walsh. Total attendance was approximately 7,000."@en . . . . . . . . . "41"^^ . . . . . . . . "1017584264"^^ . .