1. Chart of the World on Mercators Projection Creator: Berghaus, Hermann Publisher: Gotha : Justus Perthes, Type: model:map and IMAGE Language: English Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. Deutschland Creator: Petermann, August and Habenicht, Hermann Publisher: Gotha : Justus Perthes, Type: model:map and IMAGE Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
3. Deutschland Creator: Petermann, August and Habenicht, Hermann Publisher: Gotha : Justus Perthes, Type: model:map and IMAGE Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public