1. Add MS 55281-55845 Reference (shelfmark): Add MS 55281-55845 Title: U. LETTER BOOKS. MACMILLAN ARCHIVE. Vols. CDXCVI-MLX. Letter books; 1854-1940. With an index to each volume. Five hundred and sixty-four volumes. Collection Area: Western Manuscripts Languages: English Date Range: 1854-1940 Extent: 565 items