Author
Germany. Auswärtiges Amt
France. Ministère des affaires étrangères
3
United States. Department of State
3
United States. National Archives and Records Service
3
Austro-Hungarian Monarchy. Ministerium des K. und K. Hauses und des Äussern
2
Belgium. Ministère des affaires étrangères
2
Bethmann Hollweg, Theobald von, 1856-1921
2
Giolitti, Giovanni, 1842-1928
2
Great Britain. Foreign Office
2
American Historical Association
1
Hitler, Adolf, 1889-1945
1
Institut des langues orientales (Russia)
1
London School of Economics and Political Science
1
National Archives (U.S.)
1
Russia. Ministerstvo inostrannykh del
1
Serbia. Ministarstvo inostranih dela
1
Serbia. Ministarstvo inostranikh dela
1