Several letters have been damaged, or are imperfect. There is a pencil annotation at the front of volume 1: For other Mitford Talfourd letters see Sotheby sale catalogue July 31, 1933, lot 217 where 260 letters sold.
- English MS 665 (volume 1): nos 1-57, 1821-43;
- English MS 666 (volume 2): nos 58-117, 1821-43.