1. Add MS 52139 Reference (shelfmark): Add MS 52139 Title: Scope & Content: Letters from:- (1) Léon Masson; 1854-1870. (ff. 1-98). (2) Clothilde, widow of Count Hermann Friedrich von Wylich und Lottum; 1863-1889. (ff. 99-162). Collection Area: Western Manuscripts Languages: French Date Range: 1854-1889 Extent: ff. 162