410 - Linguistics 613
415 - Grammar 369
412 - Etymology 284
418 - Standard usage & applied linguistics 170
414 - Phonology & phonetics 113
401 - Philosophy & theory 111
301 - Sociology & anthropology 110
417 - Dialectology & historical linguistics 74
402 - Miscellany 69
001 - Knowledge 51
153 - Mental processes & intelligence 43
801 - Philosophy & theory 43
155 - Differential & developmental psychology 31
411 - Writing systems 30
149 - Other philosophical systems 28
808 - Rhetoric & collections of literature 23
413 - Dictionaries 21
419 - Sign languages 20
375 - Curricula 18
425 - English grammar 15
427 - English language variations 15
421 - English writing system & phonology 13
612 - Human physiology 10
809 - History, description & criticism 10
006 - Special computer methods 9
371 - Schools & their activities; special education 8
150 - Psychology 7
152 - Perception, movement, emotions & drives 7
160 - Logic 7
194 - Philosophy of France 7
372 - Elementary education 7
400 - Language 7
407 - Education, research & related topics 7
745 - Decorative arts 7
409 - Geographic & persons treatment 6
511 - General principles of mathematics 6
420 - English & Old English 5
300 - Social sciences 4
616 - Diseases 4
792 - Stage presentations 4
016 - Bibliographies of works on specific subjects 3
121 - Epistemology 3
428 - Standard English usage 3
491 - East Indo-European & Celtic languages 3
519 - Probabilities & applied mathematics 3
621 - Applied physics 3
704 - Special topics in fine & decorative arts 3
913 - Geography of & travel in ancient world 3
025 - Library operations 2
128 - Humankind 2
142 - Critical philosophy 2
157 - [Unassigned] 2
158 - Applied psychology 2
200 - Religion 2
320 - Political science 2
363 - Other social problems & services 2
370 - Education 2
423 - English dictionaries 2
438 - Standard German usage 2
510 - Mathematics 2
658 - General management 2
659 - Advertising & public relations 2
822 - English drama 2
840 - Literatures of Romance languages 2
004 - Data processing & computer science 1
005 - Computer programming, programs & data 1
010 - Bibliography 1
020 - Library & information sciences 1
070 - News media, journalism & publishing 1
091 - Manuscripts 1
110 - Metaphysics 1
115 - Time 1
136 - [Unassigned] 1
145 - Sensationalism 1
156 - Comparative psychology 1
169 - Analogy 1
193 - Philosophy of Germany & Austria 1
201 - Religious mythology & social theology 1
230 - Christianity & Christian theology 1
261 - Social theology 1
302 - Social interaction 1
309 - [Unassigned] 1
327 - International relations 1
329 - [Unassigned] 1
340 - Law 1
354 - Administration of economy & environment 1
364 - Criminology 1
373 - Secondary education 1
374 - Adult education 1
398 - Folklore 1
403 - Dictionaries & encyclopedias 1
422 - English etymology 1
432 - German etymology 1
440 - Romance languages; French 1
442 - French etymology 1
445 - French grammar 1
447 - French language variations 1
448 - Standard French usage 1
495 - Languages of East & Southeast Asia 1
496 - African languages 1