255 _Religion and Science._
256 _Political._
257 _Ordination._
258 _Expository._
259 _Commemorative._

=260 Institutions and missions.=
261 Church.
262 _Ecclesiastical polity._
263 Sabbath.
264 Baptism.
265 Lord's Supper.
266 Missions.
267 _Foreign._
268 Sunday schools.
269 Revivals.

=270 Ecclesiastical History.=
271 Religious orders.
272 Persecutions.
273 Doctrines.
274 Europe.
275 Asia.
276 Africa.
277 North America.
278 South America.
279 Oceanica.

=280 Christian Sects.=
281 Oriental.