Classification
900 - History & geography
26
820 - English & Old English literatures
12
937 - Italy & adjacent territories to 476
11
800 - Literature & rhetoric
9
100 - Philosophy & psychology
5
700 - The arts; fine & decorative arts
5
320 - Political science
4
306 - Culture & institutions
3
340 - Law
3
200 - Religion
2
400 - Language
2
720 - Architecture
2
870 - Italic literatures; Latin literature
2
002 - The book
1
003 - Systems
1
005 - Computer programming, programs & data
1
028 - Reading & use of other information media
1
133 - Specific topics in parapsychology & occultism
1
140 - Specific philosophical schools
1
203 - Public worship & other practices
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
303 - Social processes
1
305 - Social groups
1
330 - Economics
1
339 - Macroeconomics & related topics
1
341 - Law of nations
1
342 - Constitutional & administrative law
1
343 - Military, tax, trade & industrial law
1
363 - Other social problems & services
1
381 - Commerce
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
519 - Probabilities & applied mathematics
1
616 - Diseases
1
709 - Historical, geographic & persons treatment
1
822 - English drama
1
874 - Latin lyric poetry
1
875 - Latin speeches
1
880 - Hellenic literatures; classical Greek
1
904 - Collected accounts of events
1
936 - Europe north & west of Italy to ca. 499
1
938 - Greece to 323
1
944 - France & Monaco
1
950 - History of Asia; Far East
1
973 - United States
1