The documents must be magnified by special readers for human viewing. Microform is an economical way to store back issues of periodicals and newspapers. See also boolean. Top Periodical Indexes and Abstracts - periodical indexes list articles, which have appeared in journals, magazines, or newspapers. They list author, title, and name of periodical, volume, pages, and date of publication.
Abstracts are indexes that also contain summaries of the content of the article.
Indexes and abstracts may be in print form or in an electronic database. Top Readers' Guide - a subject index to articles published in over 200 general periodicals, like Time, Newsweek, Fortune, and Redbook. Consult the Library's periodicals list notebook to see if the library owns the periodical titles you need. Each Library will have a listing of the titles it owns. Top Reprint - when material is republished, that is, published in another source after its original publication, it is considered to be a reprint.