Classification. Class R: Medicine.
Printed as manuscript.

APA Citation

Library of Congress. Classification Division., Perley, C. W. (Clarence Warner)., Martel, C., Bay, J. Christian (Jens Christian). (1910). Classification. Class R: Medicine. Washington: Govt. print. off..

MLA Citation

Library of Congress. Classification Division, Clarence W. (Clarence Warner) Perley, Charles Martel, and J. Christian (Jens Christian) Bay. Classification. Class R: Medicine. Washington: Govt. print. off., 1910.

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