Telegraph Invention

Enslow Pub Inc

The Invention of the Telegraph and Telephone in American History

Capstone Press

Samuel Morse and the Telegraph (Inventions and Discovery) (English Edition)

Independently published

Samuel Morse and the Secret Code: A Fun and Educational Children’s Story About Samuel Morse, the Telegraph, Morse Code, and the Invention That Changed ... Ages 8-12 (Genius Inventors for Curious Kids)

McFarland

The Telegraph: A History of Morse's Invention and Its Predecessors in the United States

Bloomsbury

The Victorian Internet: The Remarkable Story of the Telegraph and the Nineteenth Century's On-line Pioneers

Sandcastle

Telegraph (Amazing Inventions)                  

The Invention of the Communication Engine 'Telegraph' (Invention-series) (English Edition)

PowerKids Press

The Inventions of Granville Woods: The Railroad Telegraph System and the Third Rail (19th Century American Inventors)

Captivating History

The Industrial Revolution: A Captivating Guide to a Period of Major Industrialization and the Introduction of the Spinning Jenny, the Cotton Gin, Electricity, and Other Inventions

Aurum Press

The "Daily Telegraph" Gone Fishing: Adventures in Pursuit of Wild Trout