The following reference works are only a small representation of the reference collection in the disciplines of Earth Sciences and life sciences. 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 Paleontology you would perform a subject search on: PALEONTOLOGY and ENCYCLOPEDIAS.
When in doubt as to the proper subject heading try a TITLE or KEYWORD search on your topic. Works on Sedimentology can be found under a variety of subject headings: Sedimontology, sediments, sedimentary etc. Click here for more tips on choosing search terms.
Encyclopedia of Paleontology. (Electronic resource)