NLM Classification Schedule QS

QS QT QU QV QW QX QY QZ W WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WQ WR WS WT WU WV WW WX WY WZ

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QS Human Anatomy
	Classify here general works on normal human anatomy including that of men, women, or children treated separately. Classify works on anatomy of a part of the body with the part. Classify works on surgical anatomy in WO 101. Classify works on artistic anatomy of human or animal in NC 760-783.8. Classify works on anatomy of animals in QL or SF.
	QS 1-132 Anatomy
	QS 504-539 Histology
	QS 604-681 Embryology
	Anatomy
	Note that other form numbers are used under Histology (QS 504-539) and under Embryology (QS 604-681).

QS 1	Societies (Cutter from name of society) (Used for both monographs and serials)
	Includes ephemeral membership lists issued serially or separately. Classify substantial lists with directories. Classify annual reports, journals, etc., in W1.

QS 4	General works
	Classify here works on regional anatomy. If written for the surgeon, classify in WO 101 Surgical anatomy. Classify material on comparative anatomy in QS 124.
	Collected works (General)
QS 5	By several authors
QS 7	By individual authors

QS 9	Addresses. Essays. Lectures (General)

QS 11	History (Table G)
QS 11.1	General coverage (Not Table G)

QS 13	Dictionaries. Encyclopedias

QS 15	Classification. Terminology (Used for both monographs and serials)

QS 16	Tables. Statistics (Used for both monographs and serials)

QS 17	Atlases. Pictorial works

QS 18	Education
	Classify here works about education.

QS 18.2	Educational materials (Used for both monographs and serials)
	Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, catalogs, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.

QS 20.5	Research (General)
	Classify here works about research in general. Classsify works about research on a particular subject by subject.

QS 21	Anatomy as a profession

QS 22	Directories (Table G) (Used for both monographs and serials)
QS 22.1	General coverage (Not Table G) (Used for both monographs and serials)
	Laboratories, institutes, etc.
QS 23	Collective
QS 24	Individual (Cutter from name of institution)

QS 25	Laboratory manuals. Technique

QS 26	Equipment and supplies (Used for both monographs and serials)
	Classify catalogs here.

QS 26.5	Informatics. Automatic data processing. Computers (General)
	Classify works on use for special subjects by subject.
	Museums, exhibitions, etc.
QS 27	Collective (Table G)
QS 27.1	General coverage (Not Table G)
QS 28	Individual (Cutter from name of museum) (Table G)

[QS 32]	[This number not used]
	Classify laws on dissection in QS 132.

QS 39	Handbooks. Resource guides (Used for both monographs and serials)

QS 124	Comparative anatomy of humans and animals
	Classify works on artistic anatomy of humans and animals in NC 760-783.8; on comparative anatomy limited to animals in QL 801-950.9.

QS 130	Dissection manuals

QS 132	Laws concerning dissection. Discussion of law (Used for both monographs and serials)
	Histology

QS 504	General works
	Collected works (General)
QS 505	By several authors
QS 507	By individual authors

QS 509	Addresses. Essays. Lectures (General)

QS 511	History (Table G)
QS 511.1	General coverage (Not Table G)

QS 513	Dictionaries. Encyclopedias (Used for both monographs and serials)

QS 515	Classification. Terminology (Used for both monographs and serials)

QS 516	Tables. Statistics (Used for both monographs and serials)

QS 517	Atlases. Pictorial works

QS 518	Education
	Classify here works about education.

QS 518.2	Educational materials (Used for both monographs and serials)
	Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, catalogs, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.

QS 520	Research (General)
	Classify here works about research in general. Classify works about research on a particular subject by subject. Cf. QS 530 Experimental histology.

QS 521	Histology as a profession

QS 522	Directories (Table G) (Used for both monographs and serials)
QS 522.1	General coverage (Not Table G) (Used for both monographs and serials)
	Tissue banks
QS 523	Collective
QS 524	Individual (Cutter from name of bank)

QS 525	Laboratory manuals. Technique

QS 526	Equipment and supplies (Used for both monographs and serials)
	Classify catalogs here.

QS 526.5	Informatics. Automatic data processing. Computers (General)
	Classify works on use for special subjects by subject.

QS 529	Handbooks. Resource guides (Used for both monographs and serials)

QS 530	Experimental histology
	Classify works on cytology of normal tissue in QH. Classify works about research in QS 520.

QS 531	Histocytochemistry

QS 532	Types of normal tissue (General)
	Classify works on aging tissue of the elderly in WT 104; on lymphoid tissue in WH 700; on fetal membranes in WQ 210 or in QS 645 if written for the embryologist.
QS 532.5	Specific types of tissue, A-Z
QS 532.5.A3	Adipose tissue
QS 532.5.C7	Connective tissue
QS 532.5.E5	Elastic tissue
QS 532.5.E7	Epithelium
QS 532.5.M3	Membranes (General)
QS 532.5.M8	Mucous membrane
QS 532.5.N3	Nerve tissue

[QS 539]	[This number not used]
	Classify handbooks on histology in QS 529.
	Embryology

QS 604	General works
	Collected works (General)
QS 605	By several authors
QS 607	By individual authors

QS 609	Addresses. Essays. Lectures (General)

QS 611	History (Table G)
QS 611.1	General coverage (Not Table G)

QS 613	Dictionaries. Encyclopedias (Used for both monographs and serials)

QS 615	Classification. Terminology (Used for both monographs and serials)

QS 616	Tables. Statistics (Used for both monographs and serials)

QS 617	Atlases. Pictorial works

QS 618	Education
	Classify here works about education.

QS 618.2	Educational materials (Used for both monographs and serials)
	Classify here educational materials, for example, outlines, questions and answers, programmed instruction, catalogs, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.

QS 620	Research (General)
	Classify here works about research in general. Classify works about research on a particular subject by subject.

QS 621	Embryology as a profession

QS 622	Directories (Table G) (Used for both monographs and serials)
QS 622.1	General coverage (Not Table G) (Used for both monographs and serials)

QS 625	Laboratory manuals. Technique

QS 626	Equipment and supplies (Used for both monographs and serials)
	Classify catalogs here.

QS 626.5	Informatics. Automatic data processing. Computers (General)
	Classify works on use for special subjects by subject.

QS 629	Handbooks. Resource guides (Used for both monographs and serials)

QS 638	Sex determination (Genetics). Sex preselection
	Classify works on sex determination by examination or genetic tests in WQ 206.

[QS 639]	[This number not used]
	Classify handbooks on embryology in QS 629

QS 640	Sex differentiation

QS 642	Twinning. Multiple embryo production
	Classify works on multiple pregnancies in WQ 235.

QS 645	Placentation. Fetal membranes

QS 675	Congenital abnormalities (General or not elsewhere classified)
	Classify works on specific abnormalities with anatomical part involved, e.g., Cleft lip WV 440. Classify works on inborn errors of metabolism, general and systemic, in WD 205, etc.

QS 677	Chromosome aberrations. Chromosome disorders

QS 679	Drug-induced abnormalities, including experimental works

QS 681	Radiation-induced abnormalities, including experimental works
	Classify works on specific abnormalities with anatomical part involved, e.g., of the central nervous system in WL 101.