Today, people use the antique wooden cabinets to store their knick-knacks. But these card catalogs once held the keys to a world of information. A new Library of Congress book explores their history.

One of the biggest vendors in the United States who provided books and services to libraries is going out of business.

If you do a Google search for "card catalog" it will likely return Pinterest-worthy images of antique furniture for sale — boxy, wooden cabinets with tiny drawers, great for storing knick-knacks, ...