170 ETHICS.
180 ANCIENT PHILOSOPHIES.
190 MODERN PHILOSOPHIES.

=200 Theology.=
210 NATURAL THEOLOGY.
220 BIBLE.
230 DOCTRINAL THEOLOGY.
240 PRACTICAL AND DEVOTIONAL.
250 HOMILETICAL AND PASTORAL.
260 INSTITUTIONS AND MISSIONS.
270 ECCLESIASTICAL HISTORY.
280 CHRISTIAN 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 AND COSTUMES.

=400 Philology.=
410 COMPARATIVE.
420 ENGLISH.
430 GERMAN.