Source Information

Ancestry.com. A review of early telephone history in New York City : telephone events related to New York City [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.
Original data: Wilson, K. A.. A review of early telephone history in New York City : telephone events related to New York City before the commercial introduction of the telephone : history of the first company, the Telephone Company of New York, and the founding of its successor, the Bell Telephone Company of New York. New York: New York Telephone Co., 1950.