海外直订Austro-Hungarian Submarines K.u.K UBoot A Pictorial History Volume One 奥匈帝国潜艇图画史卷一

海外直订Austro-Hungarian Submarines K.u.K UBoot A Pictorial History Volume Four 奥匈帝国潜艇图画史第四卷

海外直订Austro-Hungarian Submarines K.u.K UBoot A Pictorial History Volume Three 奥匈帝国潜艇图画史第三卷