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Start Over You searched for: Subjects Libraries, Medical Remove constraint Subjects: Libraries, Medical Subjects United States Remove constraint Subjects: United States Dates by Range 1950-1999 Remove constraint Dates by Range: 1950-1999 Publication Year 1990 to 1999 Remove constraint Publication Year: <span class="from" data-blrl-begin="1990">1990</span> to <span class="to" data-blrl-end="1999">1999</span>

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2. National Library of Medicine classification: a scheme for the shelf arrangement of library materials in the field of medicine and its related sciences

4. National Library of Medicine classification: a scheme for the shelf arrangement of library materials in the field of medicine and its related sciences

5. Arcana alphanumerica, or, The secrets of HMD call numbers revealed : being a description of call numbers used for printed materials in the History of Medicine Division, with an explanation of their meaning, usage, and derivation