1.
De dood van Sherlock Holmes — De terugkeer van Sherlock Holmes
2.
The British Campaign in France and Flanders, 1914
The British Campaign in France and Flanders, 1915
The British Campaign in France and Flanders, 1916
The British Campaign in France and Flanders, 1917
The British Campaign in France and Flanders—January to July, 1918
The British Campaign in France and Flanders—July to November, 1918
The Crime of the Congo