@misc{Valck_Gerard_(1651?-1726)_Tabula_[ca, author={Valck, Gerard (1651?-1726)}, copyright={Public Domain}, address={[Amsterdam]}, howpublished={online}, year={[ca 1689]}, publisher={editaque per Gerardum Valck}, language={lat}, title={Tabula Ducatuum LivoniƦ et CurlandiƦ}, type={Image}, keywords={chorographic maps, political-administrative maps, Latvia, Curlandia, 17th century}, }