WWI Ober Ost Armee-Oberkommando ID Card Pass, Latvia- 1918

An Ober Ost was in command of the German section of the Eastern front.

Theatres of War (Part II) - The Cambridge History of the First World War

Ober Ost International Encyclopedia of the First World War (WW1)

Ober Ost International Encyclopedia of the First World War (WW1)

The Eastern Front (Chapter 9) - The Cambridge History of the First World War

Documents (1–300) in: Fighting Hunger, Dealing with Shortage (2 vols)

Theatres of War (Part II) - The Cambridge History of the First World War

historyexplorer/public/data.json at master · natemcmaster/historyexplorer · GitHub

The Last Lion: Winston Spencer Churchill, Volume 3: Defender of the Realm, 1940-1965 by William Manchester, Paul Reid, Paperback

Theatres of War (Part II) - The Cambridge History of the First World War

WWI Ober Ost Armee-Oberkommando ID Card Pass, Latvia- 1918

Review: The risk of contracting anthrax from spore-contaminated soil – A military medical perspective in: European Journal of Microbiology and Immunology Volume 10 Issue 2 (2020)

Ober Ost International Encyclopedia of the First World War (WW1)

The Eastern Front (Chapter 9) - The Cambridge History of the First World War

Ober Ost - Wikipedia

The United States and World War II - Peace History % %