Stock Ticker History - A brief history of the development of the stock ticker. - http://www.stocktickercompany.com/stc/history/
Historical Sketch of the Electric Telegraph - Full text of Alexander Jones. 1852 publication. - http://quod.lib.umich.edu/cgi/t/text/text-idx?type=simple&c=moa&sid=611f825d47fd892f&q1=telegraph&rgn=title&firstpubl1=1845&firstpubl2=1925&view=toc&cc=moa&idno=AGX3786.0001.001&start=1&size=25
N7CFO - The homepage of ham radio operator, Lynn Burlingame, N7CFO. This site includes several resources for telegraph historians including the index of the 1894 book, "Telegraphers of Today." Also available is the index and information about the public - http://www.n7cfo.com/
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. - http://www.insulators.com/books/mpet/
The Overland Telegraph - Essay describes the construction of the telegraph connecting Adelaide and the rest of Australia, through Darwin, with England in 1872. - http://www.southaustralianhistory.com.au/overland.htm
Granville T. Woods - Biography of this African-American engineer and inventor, who developed and patented several inventions relating to telegraphy. - https://webfiles.uci.edu/mcbrown/display/woods.html
The Early History of Data Networks - The on-line version of a book by Gerard J. Holzman and Bjorn Pehrson with extensive information about the history of optical telegraphy. - http://labit501.upct.es/ips/libros/TEHODN/toc.html
The Electromagnetic Telegraph - A technical history of the 19th-century electromagnetic telegraph by Dr. James B. Calvert. - http://www.du.edu/~jcalvert/tel/morse/morse.htm
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. - http://www.raes.ab.ca/TASRT/
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. - http://invention.smithsonian.org/resources/fa_wu_index.aspx
The Commercial Cable Company - History of the Commercial Cable Company and its Atlantic telegraph cables. - http://www.cial.org.uk
Knights of the Key. - Old time telegraphers tell their stories. Taken from early editions of Railroad Man's Magazine. - http://home.mindspring.com/~railroadstories/rrmmv1n1/knights.htm
The Joseph Henry Papers Project - Documenting the life of the revered American scientist who conducted pioneering work in electromagnetism. His unselfish genius helped bring about the inventions of the telegraph, electric motor, and telephone. - http://www.si.edu/archives/ihd/jhp/
Events in Telecommunications History - A chronology of telecommunications history from the British Telecom Group archives. - http://www.btplc.com/Thegroup/BTsHistory/Eventsintelecommunicationshistory/Eventsintelecommunicationshistory.htm
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". - http://www.faradic.net/~gsraven/fons_images/fons_museum.html
Telegraph History - an assortment of articles that focus on U.S. telegraph history. - http://www.telegraph-history.org
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. - http://memory.loc.gov/ammem/sfbmhtml/sfbmhome.html
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. - http://speedwell.org/
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. - http://rmc.library.cornell.edu/Ezra-exhibit/entrance.html
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. - http://edison.rutgers.edu/
The Atlantic Cable - Image reproduction of a book by Bern Dibner, published by the Burndy Library. - http://www.sil.si.edu/digitalcollections/hst/atlantic-cable/
History of the Atlantic Cable & Submarine Telegraphy - Traces the history of undersea cable communications, from the first telegraph cables used in 1850 to the fiber optic cables used today for the Internet. - http://atlantic-cable.com/
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. - http://www.zianet.com/sparks/index.html
Telegrams - History of the telegram since 1844 transmitted by morse or teleprinter. - http://home.iprimus.com.au/oseagram/
The Railroad Telegrapher - Article by Jim Thompson, a retired San Francisco Railway telegrapher. - http://thelibrary.springfield.missouri.org/lochist/periodicals/ozarkswatch/ow702h.htm
History of Teletype Development - Brief historical account of the printing telegraph system. - http://www.thocp.net/hardware/history_of_teletype_development_.htm
The Aurora Borealis and the Telegraph - Essay on how solar flares crippled communications during the 19th century. - http://www.rainbowriderstradingpost.com/article1.html