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Compton's interactive encyclopedia (1996)
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Microsoft encarta '96 encyclopedia (1996)
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Webster's interactive encyclopedia : CD-ROM for Windows (1994)
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¬The 1996 Grolier multimedia encyclopedia (1995)
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Infopedia : the ultimate multimedia encyclopedia and reference library (1995)
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Bertelsmann Discovery : das große Universallexikon auf CD-ROM (1995)
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Bertelsmann Discovery : das große Universallexikon auf CD-ROM (1996)
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