* "A New System of Sword Exercise for Infantry" (1876)* "Two Trips to Gorilla Land and the Cataracts of the Congo" (1876) See also "PDF Facsimile".
* "A New System of Sword Exercise for Infantry" (1876)* "Two Trips to Gorilla Land and the Cataracts of the Congo" (1876) See also "PDF Facsimile".