Langhans, Paul
Obručev, Vladimir Afanasʹevič
T2 25
1:1.750.000. - E 080 00 E 085 00 N 050 00 N 048 00. - Gotha Justus Perthes. - 1 Kt. - Lithogr. - 25 x 18 cm. - 1913. - Maßstab in graph. Form (Kilometer). - Nullmeridian: Greenwich