Foreign relations and oversea trade; address before the Southern commercial congress, Muskogee, Oklahoma, April 30th, 1915 H Social sciences (General)
“Where iron is, there is the fatherland!” a note on the relation of privilege and monopoly to war H Social sciences (General)
Geschichte der Aufhebung der Leibeigenschaft und Hörigkeit in Europa bis um die Mitte des neunzehnten Jahrhunderts H Social sciences (General)
Dhow chasing in Zanzibar waters and on the eastern coast of Africa. Narrative of five years’ experiences in the suppression of the slave trade H Social sciences (General)