Engineering
In: Reports of the Commissioners of the United States to the International Exhibition held at Vienna, 1873 / Published under Direction of the Secretary of State by authority of Congress. Edited by Robert H. ThurstonWashington, D.C. : Government Printing Office, 1876[Online Ressource]- Volltext verfügbar
Der Suezkanal : seine Geschichte und seine wirtschaftspolitische Bedeutung für Europa, Indien und Ägypten
Hamburg : Boysen & Maasch, 1925