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

Manuscript of "Narrative of the Journey of Thomas Manning to Lhasa". Handwritten manuscript prepared by [Manning's sister] on paper watermarked 1834. This account contains additional material to the account that was published posthumously by C. R. Markham in 1876 as "Narratives of the Mission of George Bogle to Tibet and of the Journey of Thomas Manning to Lhasa". The manuscript is closely written on 99pp and draws from material to be found in the notebooks, TM/9/2 & TM/9/3.