The Library of Congress just released a book on the history of the card catalog, and while I can physically feel you clicking away from this article even as I type, I am here to tell you that The Card Catalog is actually weirdly fascinating.
The Card Catalog makes a persuasive case that cataloging knowledge is fundamental to the acquisition and spread of knowledge, and that a working library catalog is, in some ways, a basic necessity of civilization. And since cataloging is a calling that attracts neurotic and obsessive personalities, the history of the library catalog charts a weird, twisty path, with a lot of back-tracking followed by enormous leaps forward. …
Siehe dazu weiter http://www.vox.com/culture/2017/4/21/15357984/card-catalog-library-of-congress-history