It’s almost always a book in a narrow range of content—the Library of Congress classification HQ, treating sex and family topics—that is mistakenly made available to unready kids.

The library sought to arrange its collections on that model into the 19th century. As the number of books and libraries grew, a more systematic approach was needed.

For many years, the Library of Congress categorized many of its books under a controversial subject heading: “Illegal aliens.” But then, on March 22, 2016, the library made a momentous ...

A congressman is using a little-known Library of Congress program to get books to schools, libraries and other organizations in North Jersey.

Catalog data are a library's most important map to knowledge. What does it mean that the Library of Congress just released 25 million records to the public?

It's almost always a book in a narrow range of content — the Library of Congress classification HQ, treating sex and family topics — that is mistakenly made available to unready kids.

Catalog data are a library’s most important map to knowledge. What does it mean that the Library of Congress just released 25 million records to the public?

In the 1890s, the library developed the Library of Congress Classification System. It is still used today to predictably manage millions of items in libraries worldwide. Catalogues, cards and ...