*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.)