Estimates for German Expeditionary Force in China. Presented to the Reichstag, 14th Nov., 1900. Translated in the Intelligence Division of the War Office. London: Printed for His Majesty's Stationery Office, by Harrison and Sons, St Martin's Lane, 1901.
Information regarding the transport resources of various foreign countries. Compiled in the General Staff, War Office, 1904. London: Printed for His Majesty's Stationery Office, by Eyre and Spottiswoode, 1904.
Report on the Syrian railways. (Prepared for the General Staff, War Office.) 1905. London: Printed for His Majesty's Stationery Office, by Eyre and Spottiswoode.
'Germany. Experiments at Spandau on 2nd April, 1892, to illustrate the penetration of the '71-'84 11 mm. (0.433 inch), and '88 pattern, 8 mm. (0.315 inch) German rifles.' By E. Agar, Staff Captain
Recruitment of Officers of the active Army in Germany and educational institutions in connection therewith, and with the subsequent training of Officers for the General Staff. Prepared in the Intelligence Division, War Office, by Captain E. Agar, DA.A.G. April, 1894. London: Printed at the War Office, by Harrison and Sons, 1894.