Ullendorff, Edward. “Some Amharic and Other Documents from the Eugen Mittwoch Nachlass,” Bulletin of the School of Oriental and African Studies 43 (1980): 429‒52.
See Gebre Kristos’ letter to W. Fuchs, dated 1924.12.09 [plus covering letter by the German Legation in Addis Ababa], pp. 434‒37.
See aläqa Taye’s report on the conflict with his landlord in Berlin, pp. 440‒47.