Three certificates of proficiency; papers relating to confirmation of Henderson's officiating appointment as Under-Secretary, Foreign Dept, Govt of India including a letter (1873) from the Viceroy Lord Northbrook Dated as: 1865-69; 1872-73
Commission as 2nd Lieutenant; certificates of mentions in Despatches by General Allenby; warrant of appointment as Companion of Distinguished Service Order; with two news cuttings and statutes of DSO Dated as: 1894; 1917-18; 1918
Xerox Copy of Compilation of the Special Reports Published in the 'Gazette of India' regarding the movements of His Royal Highness the Prince of Wales in India [1875-76] Dated as: Calcutta 1877
Plan of the battle fought near Hyderabad [ie Miani] by the force under the personal command of Major General Sir Charles Napier, K.C.B.': drawn by Capt Robert Henderson, Madras Sappers and Miners.
Plan of the Battle fought ? between the Force under Major General Sir Charles Napier K.C.B. and the Belooch Adherents of Meer Shere Muhummud Khan of Meerpoor in Lower Scinde' [ie battle of Dabo] drawn by Capt Robert Henderson