Aliaksandr Piahanau. Slovak-Hungarian relations in the mirror of the German-Soviet conflictive alliance. In: Prague Papers on the History of International Relations, No. 2, 2012, pp. 144-163. https://halshs.archives-ouvertes.fr/halshs-01261457/document
Trenin, Dmitri V., “Post-Imperium: A Eurasian Story,” Carnegie Endowment for International Peace, 2011, p.101Archived 2014-04-19 at the Wayback Machine.
Siddi 2016. Siddi, Marco (20 April 2016). "German Foreign Policy towards Russia in the Aftermath of the Ukraine Crisis: A New Ostpolitik?". Europe-Asia Studies. 68 (4): 665–677. doi:10.1080/09668136.2016.1173879. S2CID156187733.
Erich Brandenburg, From Bismarck to the World War: A History of German Foreign Policy 1870-1914 (1927) onlineArchived 2017-03-15 at the Wayback Machine.
Henry Wend. "Review of MacDonogh, Giles, After the Reich: The Brutal History of the Allied Occupation" on H-German, H-Net Reviews. January, 2010. online
ITAR-TASS, "Sanctions likely to pose risks for Russia to fall behind in technology — Medvedev," September 19, 2014, online and "Russian economy grows badly, GDP rise not to exceed 0.5% in 2014 — Medvedev" September 19, 2014
jstor.org
John W. Wheeler-Bennett, "Twenty Years of Russo-German Relations: 1919-1939" Foreign Affairs 25#1 (1946), pp. 23-43. online
Lorna L. Waddington, "The Anti-Komintern and Nazi Anti-Bolshevik Propaganda in the 1930s," Journal of Contemporary History, (2007) 42#4 pp. 573-94 in JSTOR
Hans W. Gatzke, "Russo-German military collaboration during the Weimar Republic." American Historical Review 63.3 (1958): 565-597. onlineArchived 2019-12-09 at the Wayback Machine
Siddi 2016. Siddi, Marco (20 April 2016). "German Foreign Policy towards Russia in the Aftermath of the Ukraine Crisis: A New Ostpolitik?". Europe-Asia Studies. 68 (4): 665–677. doi:10.1080/09668136.2016.1173879. S2CID156187733.
Erich Brandenburg, From Bismarck to the World War: A History of German Foreign Policy 1870-1914 (1927) onlineArchived 2017-03-15 at the Wayback Machine.
Hans W. Gatzke, "Russo-German military collaboration during the Weimar Republic." American Historical Review 63.3 (1958): 565-597. onlineArchived 2019-12-09 at the Wayback Machine
Trenin, Dmitri V., “Post-Imperium: A Eurasian Story,” Carnegie Endowment for International Peace, 2011, p.101Archived 2014-04-19 at the Wayback Machine.