The three numbers before the decimal are the main class organized by the subject of the book.
Dewey decimal system ceramics.
The 10 main groups are.
The dewey decimal classification ddc system is the world s most widely used way to organize library collections.
Each main class is further structured into ten hierarchical divisions each having ten sections of increasing specificity.
500 599 natural sciences and.
100 199 philosophy and psychology.
The dewey decimal classification ddc colloquially the dewey decimal system is a proprietary library classification system first published in the united states by melvil dewey in 1876.
To learn more about what the parts of a book s call number mean take a look at how do i read a call number.
The numbers following the decimal are subdivisions of the main class organized further by subject and author.
Originally described in a four page pamphlet it has been expanded to multiple volumes and revised through 23 major editions the latest printed in 2011.
Dewey decimal system a guide to call numbers.
738 ceramic arts 739 art metalwork 740 drawing decorative arts 741 drawing drawings 742 perspective 743 drawing drawings by subject.
Main classes in dewey decimal system dewey decimal call numbers are organized as follows.
The dewey decimal classification ddc is structured around ten main classes covering the entire world of knowledge.
The ddc constantly updates to enable better discovery across any topic in multiple languages.