Materia
NX Arts in general
181
M Music
58
N Visual arts (General) For photography, see TR
57
L Education (General)
27
NK Decorative arts Applied arts Decoration and ornament
24
H Social Sciences (General)
23
NA Architecture
22
LB2300 Higher Education
21
ND Painting
20
NC Drawing Design Illustration
12
GR Folklore
11
LC Special aspects of education
9
MT Musical instruction and study
9
PN2000 Dramatic representation. The Theater
7
ML Literature of music
6
NB Sculpture
6
NE Print media
6
T Technology (General)
5
CT Biography
4
GT Manners and customs
4
PN Literature (General)
4
C Auxiliary sciences of history (General)
3
D History (General)
3
HC Economic History and Conditions
3
LB1603 Secondary Education. High schools
3
LB2361 Curriculum
3
AM Museums (General). Collectors and collecting (General)
2
BF Psychology
2
HF Commerce
2
HN Social history and conditions. Social problems. Social reform
2
AS Academies and learned societies (General)
1
B Philosophy (General)
1
BL Religion
1
E11 America (General)
1
F1201 Latin America (General)
1
G Geography (General)
1
GF Human ecology. Anthropogeography
1
GV Recreation Leisure
1
HD Industries. Land use. Labor
1
HG Finance
1
HM Sociology
1
HQ The family. Marriage. Woman
1
JA Political science (General)
1
LB Theory and practice of education
1
LB1501 Primary Education
1
PN1993 Motion Pictures
1
QC Physics
1
R Medicine (General)
1
RA Public aspects of medicine
1
RA0421 Public health. Hygiene. Preventive Medicine
1
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