So, knowingthe Dewey number will help find other books on the subject or area of research. It may be bibliographical, full-text of periodical articles, informational, statistical, etc. Information USA An anthology of various informationsources from corporate to governmental assistance. Directories Yellow pages or telephone books on CD-ROM which includes the full addresses of organizations, individuals, corporations, etc. The latter with capabilities including colored graphics and illustrations.
Librarians know more than anyone about their libraries.
Independent researchers will most likely start with the Library's catalog. Find some background information Look up keywords orsubjects involved with your topic in encyclopedias, texts, periodical articles,etc. Decide on what specific relevance they are to your research. Makenote of those relevances, they may turn out to be important variables foryour topic. As you identify all or most of the variables, you can startsearching for more information on each of the variables involved.