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The card index system; its principles, uses, operation, and component parts

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1. chrisaldrich 24 Jun 2026
  
  in Public
  
  Roughly speaking, the world is divided into two classes :those who use the Card Index System and those whodo not.
  
  HA!
  
  I wonder where this trope started?
  
  world is divided into two classes card index system open questions
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world is divided into two classes

card index system

open questions

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chrisaldrich