Subdivisions under a main heading are arranged by type of subdivision in the following order: chronological, topical/form, and geographic.

image\POINT_BL.gif 14.31 Chronological subdivisions:

Chronological subdivisions are arranged numerically by date. Among ranges of dates, the range containing the earliest period is displayed first.

image\POINT_BL.gif 14.32 Topical/form subdivisions

Topical and form subdivisions are interfiled in alphabetical order.

image\POINT_BL.gif 14.33 Geographic subdivisions

Geographic subdivisions are arranged alphabetically.

image\POINT_BL.gif 14.34 Further subdivisions

Under each type of subdivision, further subdivisions are arranged similarly according to their types.

See also:

14.0 Order of display in theprinted and microfiche version of Library of Congress Subject Headings