Brill's encyclopedia of the First World War
Hirschfeld Gerhard, Krumeich Gerd, Renz Irina, Pöhlmann Markus, Corum James S., in cooperation with Markus Pohlmann, english edition supervised by James S. Corum, translators Lynn D. Corum, Paul Ellingworth, Tina Jerke... [et al.] | Brill | 2012