Overview Contains a wide range of corporate records of the Concord Telephone Company, from around 1900 to 1995. This includes such things as annual reports, contracts, correspondence, records about employee benefits, corporate stocks, advances in telephone technology, exchange stations, and much more. Most of these headings are divided into subseries. In addition to its corporate records, the CTC published telephone directories and a variety of magazines and newsletters, and a nearly complete series of...