The library's reference collection is extensive and will contain many similar dictionaries and encyclopedies for hundreds of subject areas. An easy way to find additional reference works would be to do a SUBJECT search in the library catalog. For example, to find dictionaries and encyclopedias in Earth Sciences you could perform a subject search on GEOLOGY and DICTIONARIES.
When in doubt as to the proper subject heading try a KEYWORD search on your topic.
Search Tips:
The following reference works are only a small sample of the reference collection in the discipline of Earth Sciences: