Series 1 Distribution materials 1974-1994
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Scope and Content Note
Subseries 1 4.1 BSD 1974-1981
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Subseries 2 4.2 BSD 1982-1985
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Subseries 3 4.3 BSD 1986-1990
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Subseries 4 4.4 BSD 1988-1994
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Series 2 BSD manual drafts and miscellaneous files 1985-1994
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Scope and Content Note
Series 3 Published print materials 1989-2005
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Scope and Content Note
Series 4 Non-print materials Circa 1980-2000
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