Thomas Manning was an inveterate note-taker, making notes about all aspects of knowledge that interested him. These notes and notebooks cover from his early mathematical and poetical musing, through his travels in China and Tibet to later concerns regarding Roman Catholic emancipation. They have been organised into various sections mainly according to their subject manner.Thus:

• TM/9/1: Notebook with inserts from time at university to later life and covering all topics.
• TM/9/2 - 5 A series of notebooks from Manning's time in China and Tibet including notes on his travels and language studies
• TM/9/6 Loose notes from Chinese period
• TM/9/7 Pocket almanacs with annotations
• TM/9/8 Poetry and Riddles
• TM/9/9 Mathematical Notes and Notebooks
• TM/9/10 Notes on Roman Catholic Emancipation

Letter from Thomas Manning to William Manning from Cambridge. He writes about the end of term and hoping to visit Diss in January. He has been unwell but "5 grains of Dr James' noble powder expelled the enemy". He had been to a dinner to celebrate Dr Cousons [moving]; political speculations show anxiety towards Russia and Prague. Handwritten, 3 sides. Dated by a later hand as December 1800

Letter from Thomas Manning to William Manning from Cambridge. He thanks his father for the offer of sending a turkey (along with cartoon picture of it); he is going to dinner at Dr Davy; he is sorting his skates and asks about whether they are making mince pies. Handwritten, 2 sides. Dated "Cambridge Wednesday" and by another hand as December 1799 or December 1800

Letter from Thomas Manning to William Manning from Cambridge. He writes about his tour after leaving the Isle of Wight, travelling through Hampshire, Dorsetshire and Devonshire, South Wales. He would not wish to live in Devonshire, "from the peculiar appearance of the trees there I guess that the air is more injurious to vegetation". He also writes about the hard work of the Welsh. Handwritten, 4 sides. Postmarked May 25, 1801

Letter from "Amicus" to Thomas Manning concerning his recently published Algebraic Treatise in which he corrects some of Manning's publication. "An Introduction to Arithmetic and Algebra" by Thomas Manning was published by Rivingtons in 1796. Dated 20 September [1796] Handwritten, 1 piece, 4 sides

Drafts of speeches read out at Cambridge concerning the merits of two princes. One claims it was read in contradiction to the College regulations which commanded it to be recited by heart. The second and third are redrafts of the recited version with some "obnoxious passages" left out. Handwritten, 2 pieces, 8 sides; 1 piece,3 sides; 1 piece, 3 sides

This series contains correspondence between Thomas Manning and his early friends, some of which were lifelong friendships. There are 12 letters from Robert Lloyd (brother of Charles Lloyd, poet); nine copies of letters from Thomas Manning to Charles Lamb, plus two copies of notes and a copy of a letter from Charles Lamb with a further original draft letter from Manning to Lamb

There are 8 letters between Manning and George Leman Tuthill with further later correspondence between Manning and Tuthill's daughter, Laura. There are also 4 letters from W. Baines to Thomas Manning.