[WWI]. Die Militärischen Ereignisse im Völkerkrieg 1914-16. Munich: Private Kriegschilfe, ca. 1916]. Volume 4 (out of 7 volumes). 31 color maps of German military actions during WWI, with descriptive text on versos. Maps approximately 345 x 660 mm. Maps housed in publisher’s burgundy cloth portfolio, with front board stamped in black and gilt (some light wear to portfolio, maps toned, folded into thirds (as issued), inkstamps, with some occasional tears, chipping to creases and margins).