Materials in our libraries are shelved according to the LC Classification System.
Common call numbers for this subject area are:
Generally, the category of works we call "reference" includes almanacs, bibliographies, dictionaries, directories, encyclopedias, guidebooks, handbooks, indexes, manuals, yearbooks—materials we "refer" to rather than read entirely. Go to these for definitions, formulas, codes, standards, and topic overviews or background information. You can find reference works both in print or online. Hover over each title for more info.