Classification
414 - Phonology & phonetics
119
410 - Linguistics
61
400 - Language
57
700 - The arts; fine & decorative arts
13
415 - Grammar
11
100 - Philosophy & psychology
10
333 - Economics of land & energy
10
900 - History & geography
9
380 - Commerce, communications & transportation
8
149 - Other philosophical systems
7
401 - Philosophy & theory
7
418 - Standard usage & applied linguistics
6
610 - Medicine & health
6
000 - Computer science, information & general works
5
491 - East Indo-European & Celtic languages
5
621 - Applied physics
5
370 - Education
4
576 - Genetics & evolution
4
306 - Culture & institutions
3
421 - English writing system & phonology
3
340 - Law
2
420 - English & Old English
2
439 - Other Germanic languages
2
495 - Languages of East & Southeast Asia
2
780 - Music
2
800 - Literature & rhetoric
2
140 - Specific philosophical schools
1
150 - Psychology
1
300 - Social sciences
1
320 - Political science
1
363 - Other social problems & services
1
371 - Schools & their activities; special education
1
411 - Writing systems
1
419 - Sign languages
1
430 - Germanic languages; German
1
440 - Romance languages; French
1
480 - Hellenic languages; classical Greek
1
493 - Non-Semitic Afro-Asiatic languages
1
499 - Austronesian & other languages
1
500 - Natural sciences & mathematics
1
534 - Sound & related vibrations
1
574 - [Unassigned]
1
580 - Plants (Botany)
1
600 - Technology
1
617 - Surgery & related medical specialties
1
620 - Engineering & allied operations
1
863 - Spanish fiction
1