History of 3×5 index cards
Who invented this format? Why 3×5? What is the history? I want to know !
History of 3×5 index cards
March 2nd, 2001 · No Comments · Uncategorized
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Blog from the Loft
Thoughts without walls
History of 3×5 index cards
Who invented this format? Why 3×5? What is the history? I want to know !
Tags: