The Art and Skill of Radio Telegraphy - A comprehensive manual for learning, using, mastering and enjoying Morse code as a means of communication, by William G. Pierpont, N0HFF.
The Atlantic Cable - Image reproduction of a book by Bern Dibner, published by the Burndy Library.
The Early History of Data Networks - The online (PDF) book by Gerard J. Holzman and Bjorn Pehrson with extensive information about the history of optical telegraphy.
The Electromagnetic Telegraph - A technical history of the 19th-century electromagnetic telegraph by Dr. James B. Calvert.
Ezra Cornell: a Nineteenth-Century Life - An on-line exhibit from Cornell University Library that documents his involvement with the construction of the first telegraph lines in America.
Granville T. Woods - Biography of this African-American engineer and inventor, who developed and patented several inventions relating to telegraphy.
Historic Speedwell - Morristown, NJ - Home - A National Historic Site where Alfred Vail constructed and improved the telegraph instruments used by Samuel Morse. Included is an account of the development of the telegraph from Vail's perspective.
Knights of the Key. - Old time telegraphers tell their stories. Taken from early editions of Railroad Man's Magazine.
Modern Practice of the Electric Telegraph - The entire 19th century book by Franklin Pope is viewable at this site. This was the standard reference book used by the U.S. Signal Service.
N7CFO - The homepage of ham radio operator, Lynn Burlingame, N7CFO. Resources for telegraph historians including the index of the 1894 book, "Telegraphers of Today." Also available is the index and information about the publication, "The N7CFO KeyLetter," a major resource for telegraph instrument collectors.
The Overland Telegraph - Essay describes the construction of the telegraph connecting Adelaide and the rest of Australia, through Darwin, with England in 1872.
The Railroad Telegrapher - Article by Jim Thompson, a retired San Francisco Railway telegrapher.
Samuel F. B. Morse Papers at the Library of Congress, 1791-1919 - An online presentation comprising about 6,500 items that document Morse's career, including his invention of the electro-magnetic telegraph and participation in the development of telegraph systems used in the United States and abroad.
The Sparks Telegraph Key Review - An interactive historical and pictorial review of telegraph and wireless telegraph keys. Included is a comprehensive listing of the manufacturers actively building equipment and keys during the spark-era of radio.
Telegrams - History of the telegram since 1844 transmitted by morse or teleprinter.
Telegraph History - an assortment of articles that focus on U.S. telegraph history.
Telegraph Instruments of Europe - An extensive presentation of the private telegraph instrument collection of Fons Vanden Berghen. Many of the instruments presented appeared his book, "Classics of Communication".
Thomas A. Edison Papers - Information and documents about Edison's life and career including his years as a telegrapher and inventions in the field of telegraphy.
Western Union Telegraph Company Records - Scope and contents of the collection held at the Smithsonian Institution, National Museum of American History, Archives Center. Features a history of the company and collection. A major resource for researchers.