The Dewey Decimal Classification system, a library classification system created by Melvil Dewey in 1876, used to organize library collections.
↗ Read on WikipediaMentioned once in Three Blind Dates.
Three Blind Dates
Season 9 · Episode 17 · S09E17
“Uh, Bibliophiles? Dewey Decimal Discount? Dust Jacket Gang?”
From the same episode and category.
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