• 300-309 The Social Sciences
  • 310-319 Statistical Method & Statistics (still empty)
  • 320-329 Political Science
  • 330-339 Economics
  • 340-349 Law
  • 350-359 Public Administration
  • 360-369 Welfare & Association (including social problems)
  • 370-379 Education
  • 380-389 Commerce
  • 390-399 Customs & Folklore