338 - Production 8
438 - Standard German usage 7
330 - Economics 6
433 - German dictionaries 5
331 - Labor economics 4
620 - Engineering & allied operations 4
621 - Applied physics 4
443 - French dictionaries 3
332 - Financial economics 2
335 - Socialism & related systems 2
343 - Military, tax, trade & industrial law 2
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401 - Philosophy & theory 2
407 - Education, research & related topics 2
650 - Management & auxiliary services 2
301 - Sociology & anthropology 1
323 - Civil & political rights 1
339 - Macroeconomics & related topics 1
375 - Curricula 1
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409 - Geographic & persons treatment 1
423 - English dictionaries 1
440 - Romance languages; French 1
658 - General management 1