See what questions
a doctor would ask.
Encyclopedias: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983).
Source: MeSH 2007
The following list attempts to classify Encyclopedias into categories where each line is subset of the next.
Search to find out more about Encyclopedias:
Search Specialists by State and City