Classification : class R medicine.
Library of Congress.Subject Cataloging Division.
Library of Congress.Classification Division.Classification. Class R: Medicine.
Gale Research Company.
Washington : Library of Congress,
1966.
First ed. published in 1910 by the Classification Division.
With supplementary pages ["Additions and changes to April 1966"]
Kept up to date by the Division's L. C. classification--additions and changes, and by an irregular cumulative publication issued by Gale Research Company, entitled Library of Congress classification schedules: a cumulation of additions and changes, Class R.
Classification