2
by Kaehler, Siegfried A.
Göttingen : Vandenhoeck & Ruprecht, 1960
Book
4
by Ludendorff, Erich
Berlin : Mittler, 1919
Book
12
by Falkenhayn, Erich von
Berlin : Mittler, 1921
Book
19
20
by Class, Heinrich
1. - 10. Tsd. - München : Lehmanns, [1917]
Book