The Library has access to a wide range of online reference material, which includes directories, encyclopaedias, and both subject and language dictionaries.

Encyclopaedias, directories and other electronic reference works

This page contains a list of reference material, categorised into:

• General directories and encyclopaedias
• Subject dictionaries and encyclopaedias

Language dictionaries

This page contains details of dictionaries of language and of usage available online or on CD-ROM (for use in Durham only), followed by a selection of sites which give access to other dictionaries. The page is categorised into:

• English dictionaries
• Foreign language dictionaries
• Dictionary collections

Many more dictionaries are available in the Library in printed form, to find them please use the library catalogue.