Infiltration tactics
Samuels, Martin. Doctrine and Dogma: German and British Infantry Tactics in the First World War. New York: Greenwood Press, 1992. ISBN 0-313-27959-4.
Samuels, Martin. Command or Control?: Command, Training, and Tactics in the British and German Armies, 1888–1918. London; Portland, Oregon: Frank Cass, 1995. ISBN 0-7146-4570-2, ISBN 0-7146-4214-2.

Further reading: David Goldovt-Ryzhenkov (Translator from German) 2018: Examples of Reconnaissance and Security Operations in Defense, 1942/1944. German Manuals
House, Jonathan M. Toward Combined Arms Warfare: A Survey of 20th-Century Tactics, Doctrine, and Organization. U.S. Army Command General Staff College, 1984. Available online (8 September 2016) or through University Press of the Pacific (Honolulu, Hawaii, 2002). ISBN 1-4102-0159-7.
Pope, Stephen, Elizabeth-Anne Wheal, and Keith Robbins, eds. The Macmillan Dictionary of the First World War. London: Macmillan Reference Books, 1995. ISBN 0-333-61822-X.