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. 1964 Apr;52(2):414–419.
A Comparison of Library of Congress Subject Headings and Medical Subject Headings*
We are indebted to Miss Winifred Sewell, Deputy Chief, Bibliographic Services Division, National Library of Medicine, and to Miss F. Bernice Field, Assistant Librarian in Charge of Cataloguing and Classification, Yale University Library, for helpful suggestions in the preparation of this paper.