Author: N / A
R-1 - A manuscript with an autograph of Prince Bogusław Radziwiłł, 4 April 1658.
R-2 - A manuscript dated 17 November 1681.
R-3 - A script of Stanisław August Poniatowski, the King of Poland and the Grand Duke of Lithuania, to Oberleutnant Paul Adolf Bruggen of the Grand Duchy of Lithuania. Warsaw, 22 August 1771.
R-4 - A script of Stanisław August Poniatowski, the King of Poland and the Grand Duke of Lithuania, to Horse Guards Captain Baron Igelström of the Grand Duchy of Lithuania. Warsaw, 31 March 1773.