Classification
410 - Linguistics
17
400 - Language
15
414 - Phonology & phonetics
11
900 - History & geography
9
333 - Economics of land & energy
3
420 - English & Old English
3
700 - The arts; fine & decorative arts
3
370 - Education
2
490 - Other languages
2
530 - Physics
2
000 - Computer science, information & general works
1
170 - Ethics
1
250 - Christian orders & local church
1
320 - Political science
1
330 - Economics
1
415 - Grammar
1
440 - Romance languages; French
1
491 - East Indo-European & Celtic languages
1
581 - Specific topics in natural history
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
800 - Literature & rhetoric
1
820 - English & Old English literatures
1