| 21. | His card catalog continues to be utilized by ornithologists, today.
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| 22. | There is no Dewey Decimal Classification system or card catalog.
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| 23. | It's like a huge library with a spotty card catalog.
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| 24. | Card catalogs were soon adopted elsewhere, notably in Revolutionary France.
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| 25. | Richmond started a card catalog when he was twenty one.
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| 26. | Card catalogs of these libraries were searched for works by authors McCarthy deemed inappropriate.
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| 27. | Some public computers are configured to access the library card catalog and other services only.
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| 28. | The Poles therefore set about creating a " card catalog " of these cycle patterns.
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| 29. | The result was the cyclometer and corresponding card catalog; that method was immune to steckers.
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| 30. | At that time, the library retired its card catalog and installed an automated library system.
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