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  • × author_ss:"Mann, T."
  1. Mann, T.: Library research models : a guide to classification, cataloging, and computers (1993) 0.03 
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    Footnote
    Rez. in: Rare books and manuscripts librarianship 11(1996) no.1, S.59-61 (M. Ryan)
  2. Mann, T.: Is precoordination unnecessary in LCSH? : Are Web sites more important to catalog than books?: a reference librarian's thought on the future of bibliographic control (2000) 0.03 
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  3. Mann, T.: Reference and informational genres (2009) 0.02 
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    Abstract
    In order to reduce the problems of information overload, librarians and indexers have created systems of categorization that allow large numbers of individual books or articles to be perceived initially through smaller numbers of categories of literature. These categories can be either subject or format groupings. Format designations are particularly useful in segregating reference works from larger collections or retrievals. The distinctive nature, and the purposes and uses of reference works ("tertiary literature" composed of 60% or more of files or lists, as opposed to "primary" or "secondary" literature) are discussed. The mechanisms for finding such works via Library of Congress Subject Headings, or via the peculiarities of their shelving in either the Library of Congress Classification or the Dewey Decimal Classification, are explained. "Publication types" and "document type" searches within databases covering formats other than books are also treated.
  4. Mann, T.: Teaching Library of Congress Subject Headings (2000) 0.02 
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    Abstract
    An understanding of the workings of Library of Congress Subject Headings (LCSH) is one of the most valuable conceptual tools a researcher can have. The subject heading system is by no means obvious or self-evident, however; it must be taught, explained, and exemplified by librarians. Several points must be covered explicitly. The cross-reference notation of UF, BT, RT, SA, and NT has to be explained; the importance of choosing the most specific heading available, rather than a general term, must also be emphasized. There are four ways to find the most specific LCSH terms for a particular topic; two of them come from using the red books, two from using the online catalog itself. All four ways are important; none is obvious. Each must be taught

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