401 - Philosophy & theory 17
616 - Diseases 17
612 - Human physiology 15
414 - Phonology & phonetics 9
153 - Mental processes & intelligence 8
157 - [Unassigned] 6
155 - Differential & developmental psychology 4
006 - Special computer methods 3
617 - Surgery & related medical specialties 3
152 - Perception, movement, emotions & drives 2
158 - Applied psychology 2
410 - Linguistics 2
415 - Grammar 2
419 - Sign languages 2
425 - English grammar 2
614 - Incidence & prevention of disease 2
615 - Pharmacology & therapeutics 2
621 - Applied physics 2
301 - Sociology & anthropology 1
364 - Criminology 1
371 - Schools & their activities; special education 1
394 - General customs 1
402 - Miscellany 1
423 - English dictionaries 1
427 - English language variations 1
433 - German dictionaries 1
610 - Medicine & health 1
628 - Sanitary & municipal engineering 1