The NLM Classification utilizes schedules QS-QZ and W-WZ, permanently excluded from the LC Classification Schedules and is intended to be used with the LC schedules which supplement …

A simplified subject classification derived from the letters that represent the preclinical and clinical subjects covered by the NLM Classification is used for nineteenth century (1801-1913) …

WORLDWIDE SOURCE OF MEDICAL LIBRARY CLASSIFICATION QS Human Anatomy QS 1-132 ...................Anatomy QS 504-532 ..............Histology QS 604-681 ..............Embryology

QV 57 Pharmaceutical preparations (General) Class here general works on pharmaceutical preparations and works on specific drugs not elsewhere classified. Cf. QV 38 …

Abstracts Of the works of an individual WZ 100 Of subjects not represented in NLM's classification, LC's Z schedule Of subjects represented in NLM's classification, appropriate …