Die Schiffsversenkungen unserer U-Boote : nach Lage und Zahl dargestellt auf Grund amtlichen Materials mit Seeschlachten, Sperrgebieten, Landfronten, Land-Gewinn und -Verlust /

Relief shown by shading.

Civil War, 1861-1862 /

Shows movement of Union and Confederate forces, location of their respective victories, extent of their respective territories controlled in Dec. 1862, and the Union naval blockade.

Civil War, 1863-1865 /

Shows movement of Union and Confederate forces, location of their respective victories, extent of their respective territories controlled in March 1865, and the Union naval blockade.

Sketch showing the positions of the redoubts and batteries of the lines of the U.S. Forces in front of Petersburg /

Shows fortifications and names of some residents.

Sperrgebiete um Europa und Afrika /

"Aus Michelsen, Der U-Bootskrieg 1914-1918".