Press reviews re 'Kolonialpolitik'
Publications re war treaties
Press opinions on Solf's lectures and publications
Official and political papers re the German Consulate-General in Calcutta
Official and political papers re East Africa
Publications re war treaties
Press opinions on Solf's lectures and publications
Letters re 'Eingeborene und Ansiedler auf Samoa'
Publications re war treaties
Correspondence with publishers re publications and memoirs