The main hundreds numbers of the Dewey system
Dewey then divided each of the 10 main areas into smaller and smaller topics. He gave each topic its own special number. For example, the 500s are divided into 510, 520, 530 and so on. Then each of the 10s is divided into 510, 511, 512 and so on. Here's how Dewey divided the 590s. 591 zoology, 592 invertebrates, 593, 594 molluscs (animals with shells), 595 insects, 596 vertebrates, 597 reptiles and fish, 598 birds, 599 mammals Call numbers These Dewey numbers form part of the call number of a book. The other part of the call number is made up of the first 3 letters of the author's last name.
A call number is the 'address' of the book or item on the library shelves.
So, the call number for a book about mammals, written by J.S. Brown would be
Back to Dewey kidcyberQuest page created July 2003