Rumpler Taube's such as the Rumpler A/13 and A/14 were used briefly at the start of the war, but their inherent stability
and limited downward vision were not assets in war, and they were retired after only a few months of service.
W.M. Lamberton and E.F. Cheesman, Reconnaissance & Bomber Aircraft of the 1914-1918 War. Great Britain: Harleyford Publications Ltd., 1962. ISBN9780900435027