Multiple Thesaurus Subject Control
LC Subject Headings (LCSH) and Medical Subject Headings (MeSH)
- with card catalogs one or the other was chosen
- with online catalogs displaying both is easy
Logical and clear presentation to users is not easy
- the abbreviations LC, MeSH, etc. may not be comprehensible to users
- two lists for the same topic may cause users to miss some resources
Combined thesauri (e.g., UMLS)