The Reference Book Collection contains dictionaries, encyclopedias, atlases, and other volumes of collected information on a variety of subjects. The purpose of the Reference Book Collection is to provide quick answers and background information on a variety of subjects.
The call number for a reference book starts with REF followed by the Dewey Decimal Classification number and three letters.
For example, American Sign Language: A Comprehensive Dictionary is found under
REF 419 STE.
REF 419 STE
stands for reference DDC for sign language first three letters of Sternberg