image is a derivative work of the following images: File:German_Submarine_Zone_February_1915_SGW_Vol_V.png licensed with License, PD-1923 2009-02-07T10:03:50Z...
identified Permission (Reusing this file) Other versions Derivative works of this file: German Submarine Zone February 1915 after Reynolds et al.jpg...
Derivative works of this file: Europe satellite image location map Britain To Turkey.jpg German Submarine Zone February 1915 after Reynolds et al.jpg...
