Tabula DUCATUM LIVONIÆ et CURLANDIÆ, 172018th century, 3 decade, Map of Lithuania/Poland description Tabula DUCATUM LIVONIÆ et CURLANDIÆ 1720 Gerard Valk: “Tabula DUCATUM LIVONIÆ et CURLANDIÆ,” Amsterdam, 19.5 x 23.375 inches, in two versions. Year 1720 Author Gerard Valk Sources www.alexandremaps.comNational Library of Latvia: www.lnb.lv