Private correspondence with Gottlieb von Jagow
Private correspondence with Albert Hahl
Official and political papers and press clippings re governorship of Samoa
Official and political papers and press clippings re governorship of Samoa
Official and political papers and press clippings re governorship of Samoa
Wilhelm Solf letters to family
Wilhelm Solf letters to family
Publications and speeches of Wilhelm Solf: Inaugural dissertation
Private correspondence with Mathias Erzberger
Private correspondence with Richard Fick