- E-bookThe Meuse Heights to the ArmisticeMaarten Otte
- E-bookThe American Expeditionary Forces in the Great WarMaarten Otte
- E-bookThe St. Mihiel OffensiveMaarten Otte
- E-bookThe American Expeditionary Forces in WWI, Meuse-ArgonneMaarten Otte
- E-bookThe Franco-Prussian War, 1870–1871Maarten Otte
- E-bookBelleau Wood and VauxMaarten Otte