Classification
900 - History & geography
104
930 - History of ancient world to ca. 499
43
300 - Social sciences
38
700 - The arts; fine & decorative arts
15
933 - Palestine to 70
15
140 - Specific philosophical schools
13
200 - Religion
6
301 - Sociology & anthropology
6
330 - Economics
6
500 - Natural sciences & mathematics
6
551 - Geology, hydrology & meteorology
6
620 - Engineering & allied operations
6
936 - Europe north & west of Italy to ca. 499
6
000 - Computer science, information & general works
5
320 - Political science
5
363 - Other social problems & services
5
600 - Technology
5
530 - Physics
4
720 - Architecture
4
306 - Culture & institutions
3
380 - Commerce, communications & transportation
3
410 - Linguistics
3
414 - Phonology & phonetics
3
576 - Genetics & evolution
3
939 - Other parts of ancient world to ca. 640
3
005 - Computer programming, programs & data
2
304 - Factors affecting social behavior
2
307 - Communities
2
400 - Language
2
411 - Writing systems
2
550 - Earth sciences
2
590 - Animals (Zoology)
2
630 - Agriculture & related technologies
2
741 - Drawing & drawings
2
942 - England & Wales
2
004 - Data processing & computer science
1
006 - Special computer methods
1
100 - Philosophy & psychology
1
201 - Religious mythology & social theology
1
296 - Judaism
1
305 - Social groups
1
333 - Economics of land & energy
1
341 - Law of nations
1
417 - Dialectology & historical linguistics
1
509 - Historical, geographic & persons treatment
1
540 - Chemistry & allied sciences
1
549 - Mineralogy
1
553 - Economic geology
1
571 - Physiology & related subjects
1
580 - Plants (Botany)
1
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