*Cutter, C. A. Expansive Classification. In progress.(Boston: Library Bureau.)

**Dewey, Melvil. Decimal Classification and Relative Index: for library clippings, notes, etc. Ed. 9. 1915.(Boston: Library Bureau.)

Fletcher, W. I. Library Classification. 1894.(Boston: Roberts.)

Jast, L. S. Classification of Library Economy and Office Papers. 1907.(Grafton.)

Perkins, F. B. Rational Classification of Literature for Shelving and Cataloguing Books in a Library. 1882.(San Francisco: Valentine.)

United States. Library of Congress. Classification. 22 pts. 1904-16.(Washington: Government Printing Office.)

Author Marks

*Cutter, C. A. Three-Figure Decimal Alphabetic Order Table. 1901.(Boston: Library Bureau.)

*—— Explanation of the Alphabetic Order Marks: three-figure table. 1901.(Boston: Library Bureau.)