Classification of Special Materials
Bibliographies and Related Materials
Library Holdings
NLM classes general holdings of libraries in special fields (including private libraries) with the type of library.
NLM does not follow the Library of Congress’ practice of classifying with the individual library (Z 729–875).
| Special Library | LCC Number |
|---|---|
| Chiropractic | Z 675.C48 |
| Dental | Z 675.D3 |
| Hospital | Z 675.H7 |
| Medical | Z 675.M4 |
| Mental health | Z 675.M43 |
| Nursing | Z 675.N8 |
| Occupational health | Z 675.O22 |
| Pharmacology. Pharmacy | Z 675.P48 |
| Special libraries | Z 675.A5 |
| Veterinary medicine | Z 675.V47 |
Others, A–Z as listed in Library of Congress's Z schedule under Z 675.
Example
A catalog of a medical library is Z 675.M4. MeSH Subjects include Libraries, Medical and Catalog.