Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-reading-5c3574000987

What replaced card catalogs in most libraries by the late 20th century?

Computerized catalogs.

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  1. Printed ledgers
  2. Computerized catalogs ✔
  3. Clay tablet lists

Why: Computerized cataloguing developed gradually and mostly replaced card catalogs.

Huh, didn't know that: Computerized cataloguing developed gradually and mostly replaced card catalogs.

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The card catalog retired, but it still holds a place in history.
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References

Answer: Computerized catalogs. Computerized cataloguing developed gradually and mostly replaced card catalogs.

  1. Library catalog en.wikipedia.org/wiki/Library_catalog
    by the late 20th and early 21st, it had mostly replaced card catalogs
    Checked 2026-11-07.

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