Add MS 88883/3/17-21. Dukes of Cambridge Papers. Letters to George, 2nd Duke of Cambridge, from his sister, Princess Augusta (b. 1822, d. 1916) and her husband Frederick of Mecklenburg-Strelitz (b. 1819, d. 1904), later the Grand Duke and Duchess of Mecklenburg-Strelitz; 1842-1889, n.d. Mostly German, with some English translations, some typewritten. Five volumes.