Langhans, Paul
T 20
1:3.000.000. - W 088 00-W 084 00/N 016 00-N 014 00. - Gotha : Justus Perthes. - 1 Kt. - Lithogr. - 23 x 16 cm. - Maßstab in graph. Form (Kilometer). - Nullmeridian: Greenwich