Litauen und das Wilnagebiet, 194120th century, 5 decade, Map of Lithuania/Poland description Litauen und das Wilnagebiet (produced by the publications office), Berlin – Dahlem. Many occupation boundaries, includ-ing “Lithuanian-White Ruthenian border of 6.11.1940.” Year 1941 Author – Sources Lietuvos nacionalinė Martyno Mažvydo biblioteka: https://www.epaveldas.lt/