On 16 July 1914, Yovanovitch, Serbian Chargé d’Affaires in Berlin, warned the Serbian Prime Minister, Nikola Pašić, of Germany’s desire to suppress Serbian propaganda.
Yovanovitch to Pašić. Berlin, 16 July 1914.
The Secretary of State has informed me that the reports of the German Minister at Belgrade point to the existence of a Great Serbian propaganda, which should be energetically suppressed by the Government in the interest of good relations with Austria-Hungary.
Source: Serbian Blue Book