Um Vaterland und Freiheit : Wirklichkeitsaufnahmen aus dem grossen Kriege nebst einer Einführung / hrsg. von Walther Stein Wielka Wojna 1914-1918 : prawdziwy koniec Belle Époque / [zespół aut. Alina Jurkiewicz-Zejdowska et al. ; redakcja merytoryczna, Marcin Ochman i Mariusz Skotnicki] Firepower / Bruce Quarrie intelligent robotics and autonomous agents Unmanned systems of World Wars I and II / H.R. Everett ; forword by Michael Toscano First World War photographers / Jane Carmichael History of the Great European War : its causes and effects : volume 3 / W. Stanley Macbean Knight History of the Great European War : its causes and effects : volume 2 / W. Stanley Macbean Knight History of the Great European War : its causes and effects : volume 1 / W. Stanley Macbean Knight History of the Great European War : its causes and effects : volume 4 / W. Stanley Macbean Knight History of the Great European War : its causes and effects : volume 5 / W. Stanley Macbean Knight History of the Great European War : its causes and effects : volume 6 / W. Stanley Macbean Knight History of the Great European War : its causes and effects : volume 8 / W. Stanley Macbean Knight