The Library of Congress Subject Headings are used by the large majority of U.S. university online catalogs. Use them to search for books and periodical titles in the Library of Congress Online Catalog or another library catalog. The following linked list of predefined subject terms will let you browse other related and narrower subject headings to explore the subject further.
Telecommunications Industry: Sources of Information
Table of Contents
Telecommunications Industry Codes
Industry News & Blogs
LC Catalog Searches
Image (left): "We Don't Communicate Anymore"
Photographer: Kevin Spencer
Courtesy of PhotoPin
Creative Commons License