Press opinions on Solf's lectures and publications
Official and political papers, lectures, essays, publications, correspondence
Official and political papers re the German Consulate-General in Calcutta
Official and political papers re the German Consulate-General in Calcutta
Official and political papers re East Africa
Official and political papers re Apia municipality
Letters re 'Eingeborene und Ansiedler auf Samoa'
Lectures and essays on Japan
Lectures and essays on Japan
Correspondence with publishers re publications and memoirs