The Papers include correspondence between Thomas Manning and his family, friends and some official correspondence ranging from his childhood, through Cambridge days, time in France, travels to China and India and his later life.These reflect both Manning's interests and the wide range of contacts that he cultivated.

There are also original notebooks and notes, some documenting his travels including his journey through Tibet; others reflecting his interests in mathematics, poetry & riddles and Catholic emancipation. There is also an early Manuscript for "The Journey of Thomas Manning to Lhasa".

Other highlights in the Collection include early English and European passports, calling cards, and later receipts

These Papers give an insight into this unique man formerly best known for his relationship with Charles Lamb. These Papers show that Manning was also a man of talent, charisma and determination in his study of China and the Chinese language.

These letters range from a criticism of Manning';s mathematical work to a family friend writing to William Manning regarding his concern of Thomas Manning's plan to visit China. Of particular note is a draft letter from Manning to Joseph Banks outlining the route of his Chinese studies and plans to travel to China.