Martin Rupp

Books
World War II German Super-Heavy Siege Guns World War II German Super-Heavy Siege Guns
World War II German Super-Heavy Siege Guns
2020
Maginot Line 1940 Maginot Line 1940
Maginot Line 1940
2012
42cm 'Big Bertha' and German Siege Artillery of World War I 42cm 'Big Bertha' and German Siege Artillery of World War I
42cm 'Big Bertha' and German Siege Artillery of World War I
2014