Before Threads
by David and Marilyn Delling.  Book on Telegraph Insulators (1971).  From the collection of Ted Wagner

Constitution of the Order of Railroad Telegraphers - 1936
Graciously loaned for scanning by and from the collection of Dennis Skea.

Dodge: The Telegraph Instructor - 1921
Book owned and scanned by Les Kerr. Les also has assembled a very nicely laid out page for easy reading.

Harper's Weekly Article "The Telegraph"
Believed to be from August 1873.  From the collection of Ted Wagner

Heros of the Telegraph
Linked to the Classic Book Library

Historical Sketch of the Electric Telegraph
by Alexander Jones (1852)

Instructograph Manual
A copy of an original 1931 Instructograph machine manual

Manual for Messengers - Introduction to the Job of Messenger
by Western Union Telegraph Company.  Contributed by Christie Edinger

Manual of Telegraphy and Catalogue of Electrical Instruments and Supplies.
Published by The Bunnell Telegraphic & Electrical Company.  Courtesy of Tim Patton, K4TJP, www.k4tjp.net/telegraph.html

Modern Practice of the Electric Telegraph (1881)
by Frank Pope (with table of contents).  Courtesy of Charles Keith - PDF Creation by Ted Wagner

Northern Pacific Railroad - Schedule for Telegraphers
US Railroad Administration (1918).  From the collection of Ted Wagner

Philosophy and Practice of Morse Telegraphy (early 1900's)
Published by Manhattan Electric Supply.  Contributed by Keith LeBaron

Telegraphy - Published For Owners of Our Telegraph Instruments
By Sears, Roebuck and Co., Unknown Publication Date.  From the collection of Ted Wagner

Telegraphy - Self-Taught
by Theodore Edison.  Frederick & Drake, Co. Chicago, Il (1902).  Graciously loaned for scanning by and from the collection of Dennis Skea.

Telephone and Telegraph Engineers' Handbook
published by ICS (1908).  From the collection of Ted Wagner

The Telegraph Manual
by Taliaferro P. Shaffner (1859).  This is an exact duplicate of the book made possible by Making of America (MOA).

A Treatise on Telegraph, Vol. III
published by ICS (1901).  From the collection of Ted Wagner

Western Union Company Rules (1866)
This is an exact duplicate of the book made possible by Making of America (MOA).

Western Union - Theory and Practice of Single Morse Circuits (1928)
Contributed by Keith LeBaron