140 Philosophical Systems.
150 Mental Faculties. Psychology.
160 Logic.
170 Ethics.
180 Ancient Philosophers.
190 Modern Philosophers.

200 Religion
210 Natural Theology.
220 Bible.
230 Doctrinal Theol. Dogmatics.
240 Devotional and Practical.
250 Homiletic. Pastoral. Parochial.
260 Church. Institutions. Work.
270 Religious History.
280 Christian Churches and Sects.
290 Non-Christian Religions.

300 Sociology
310 Statistics.
320 Political Science.
330 Political Economy.
340 Law.
350 Administration.
360 Associations and Institutions.
370 Education.
380 Commerce and Communication
390 Customs. Costumes. Folk-lore.

400 Philology