Classification.
Class N: Fine arts.

APA Citation

Library of Congress. Classification Division., Martel, C., Perley, C. Warner. (1922). Classification: Class N: Fine arts. 3d ed. Washington: Govt. print. off., Library branch.

MLA Citation

Library of Congress. Classification Division, Charles Martel, and Clarence Warner Perley. Classification: Class N: Fine Arts. 3d ed. Washington: Govt. print. off., Library branch, 1922.

Warning: These citations may not always be complete (especially for serials).