The national structure of the population of Upper-Silesia in three maps /
Volz, Wilhelm Theodor August Hermann
The national structure of the population of Upper-Silesia in three maps / Wilhelm Volz. - Breslau : M. & H. Marcus, 1921. - 11 s. : map. : 28 cm.
Ethnology -- Silesia, Upper (Poland) -- Maps.
The national structure of the population of Upper-Silesia in three maps / Wilhelm Volz. - Breslau : M. & H. Marcus, 1921. - 11 s. : map. : 28 cm.
Ethnology -- Silesia, Upper (Poland) -- Maps.