CLASSIFICATION USED AT THE LIBRARY OF THE COLLEGE OF PHYSICIANS, PHILADELPHIA.
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Vaccination with the now-available pneumococcal vaccine is recommended for persons with diseases and other conditions predisposing to the development of bacteremic pneumococcal pneumonia or increased risk of death from such infection. The value of vaccination on the basis of advanced age is not clear at this time. The vaccine will not eliminate all risk of pneumococcal pneumonia and patients with some immune deficiency states may not respond adequately to te vaccine. Revaccination should not be done at intervals of less than five years. More data are needed from adequately designed and executed studies of benefit from the vaccine in healthy elderly persons and high-risk populations. Physicians should pay particular attention ot specific diagnostic needs in pneumococcal infection.
This paper describes the procedures used at the Library of the College of Physicians of Philadelphia to divide its ninety-year-old dictionary card catalog. The division was necessitated by overcrowding, obsolete subject headings, and lack of a complete authority list which resulted in like materials being scattered throughout the catalog under several headings. Two catalogs were created: the historical-biographical catalog, representing all works published before 1950 and all works of historical or biographical nature; and the current catalog, containing all works published from 1950 on, excepting historical or biographical materials. The 1950- catalog was further divided into name and subject catalogs, and the subject section was revised according to MeSH. The project was completed in about two years. As a result, searching time has been much reduced, and the library is able to take advantage of the annual revisions of MeSH to update the subject catalog.
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