6 books • 2 series
Book #1: Austro-Hungarian Naval Aviation K.u.K Seeflieger A Pictorial History
Book #1: Austro-Hungarian Submarines K.u.K UBoot A Pictorial History Volume One
Book #2: Austro-Hungarian Submarines K.u.K Boot A Pictorial History Volume Two
Book #3: Austro-Hungarian Submarines K.u.K UBoot A Pictorial History Volume Three
Book #4: Austro-Hungarian Submarines K.u.K UBoot A Pictorial History Volume Four
Book #1: Austro-Hungarian Navy K, u, K Kriegs Marine A Pictorial History Volume One
