A large part of this collection is searchable through the Library's unique online catalogue, which classifies not only books and (journal) articles according to their subject, but also book items.

Maybe whether something is called fiction or nonfiction becomes arbitrary when you don't have to classify books.

Putnam during this time also introduced a new system of classifying books that continues to this day, known as the Library of Congress classification.

The ALEPH500 system is applied to classify books, journals and other materials.

More and more bookstores (including online booksellers, such as Amazon) and libraries consider inspirational fiction to be a separate genre, classifying and shelving books accordingly.

Much the most important of general works of reference is the British Museum Subject Index, which classifies books according to their subject-matter.

It originated in the Journal of Economic Literature for classifying new books and articles.

And this fall, Amazon.com introduced a system that allows readers to classify books.

This graph is primarily used in secondary education to help classify teaching materials and books into their appropriate reading groups.

The implication is that librarians, in order to classify books, should know about scientific developments.