The National Historical Archives of Belarus together with the Museum of King John III Palace in Wilanów (Warsaw, Poland) released the second volume of the Monumenta Sobesciana series “Letters of Maria Casimira from the Sobieski Archive in Olawa, vol. 2: Letters to her sons for 1697-1704”
The National Historical Archives of Belarus together with the Museum of King John III Palace in Wilanów (Warsaw, Poland) have published the second volume of the Monumenta Sobesciana series titled…