Holding Institutions
- Gosudarstvennyĭ istoricheskiĭ arkhiv Bri︠a︡nskoĭ oblasti1
- Gosudarstvennyĭ istoricheskiĭ arkhiv Novgorodskoĭ oblasti1
- Gosudarstvennyy arkhiv Qaraghandy oblasti1
- Gosudartstvenny arkhiv noveyshey istorii Smolenskoy oblasti1
- Greece. Hypourgeio Ethnikēs Amynas1
- Greece. Hypourgeio Exōterikōn1
- Gyorgy Antos3
- Hanna Lieberman-Levi51
- Harold Bland4
- Harvard University - Andover-Harvard Theological Library, Harvard Divinity School1
- Hellēniko Logotechniko kai Historiko Archeio2
- Henry Elstein4
- Henry Morgenthau III2
- Hessisches Staatsarchiv Darmstadt2
- Historisches Archiv der Deutschen Bank1
- Hoover Institution Archives1
- Horst von Wächter1
- Hrvatski državni arhiv u Zagrebu1
- Humboldt-Universität zu Berlin1
- Imperial War Museums13