Miscellaneous letters, drafts and copy letters, to and from various correspondents. Items include a letter from Macklin, a letter from William Boycott to Gabriel Piozzi, drafts of letters in HLP's hand, the opinion of John Mitford of Lincoln's Inn with regard to the fortune of Cecilia Thrale (February 1797), four letters to Sir John Salusbury.
Pasted in at the end is an 'Index' comprising a list of autographs in three volumes (some of these autographs are contained in the three volumes English MSS 891-893, others are not) and a detailed index, in a more recent hand, to the six volumes of the Thraliana diary.