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Start Over You searched for: Subjects United States Remove constraint Subjects: United States 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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31. National Library of Medicine classification: a scheme for the shelf arrangement of library materials in the field of medicine and its related sciences

32. 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

34. Images of hospital pharmacy in America: a pictorial essay in conjunction with an exhibit at the National Library of Medicine, May 28-July 28, 1991, to commemorate the 50th anniversary of the founding of the American Society of Hospital Pharmacists