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Start Over You searched for: Media Type Manuscripts Remove constraint Media Type: Manuscripts Subject Astronomy--Observations Remove constraint Subject: Astronomy--Observations Subject Halley's comet--Observations Remove constraint Subject: Halley's comet--Observations Creator Kubinec, William R. Remove constraint Creator: Kubinec, William R. Collection Halley's Comet Project, 1985-1986 Remove constraint Collection: Halley's Comet Project, 1985-1986