image is a derivative work of the following images: File:Russian_Empire_1745_(Map_IX_HQ).jpg licensed with PD-old 2009-11-15T12:12:03Z Transcend (rus)...
of this file: Russian Empire 1745 (Map IX HQ).Simbirskaja cherta.jpg Русский: Вариант карты на латыни. English: Same map in Latin Русский: Черно-белый...