Changes

**[https://archive.org/stream/signalserviceine00prie#page/10/mode/2up/search/Indian Page 11] includes a very brief reference to the Indian Telegraph units of the Indian Army. These were very likely to have been men from the [[Post and Telegraphs Department|Post and Telegraphs Department]] in India, who were appointed to the Army at the outbreak of war. Also see the following book.

*[https://archive.org/details/cu31924012679548 ''The Post Office of India in the Great War''] edited by H.A. Sams 1922 Archive.org. Officers and men of the [[Post and Telegraphs Department|Post and Telegraphs Department]] in India who became the military postal service of the Indian Army. Includes chapters on the Western Front.

*[http://www.army.gov.au/~/media/Files/Our%20history/AAHU/Primary%20Materials/World%20War%20One%201914-1918/Documents/A%20Record%20of%20the%20Battles%20and%20Engagements%20of%20the%20British%20Armies%201914-1918.pdf ''A Record of the Battles and Engagements of the British Armies in France and Flanders 1914-1918''] by Captain E A James 48th (South Midland) Divisional Signals T A 1924. army.gov.au

*''The British Campaign in France and Flanders'' by Arthur Conan Doyle [https://archive.org/details/britishcampaigni01doyl ''1914 Volume I''] 2nd Edition 1916; [https://archive.org/details/britishcampaigni02doyluoft ''1915 Volume II''] 2nd Edition 1917; [https://archive.org/details/britishcampaign03doyl ''1916 Volume III''] 1918; [https://archive.org/details/britishcampaigni04doyluoft ''1917 Volume IV''] 1919; [https://archive.org/details/britishcampaign00doyluoft ''January to July 1918 Volume V''] 1919; [https://archive.org/details/cihm_76792 ''July to November 1918 Volume VI''] 1920.