The Papers of Horace Geoffrey Quaritch Wales contain papers relating to his archaeological work in southeast Asia including expedition notes, personal notebooks, diaries, manuscript proofs, correspondence, newspaper cuttings and maps. Listed within this catalogue are objects and items of furniture which were also part of the bequest of Quaritch Wales' wife, Dorothy, to the Royal Asiatic Society.

'Copy of a letter addressed to Col. Sykes by Dr. Gutzlaff, dated Hong Kong, 24 January 1851' in which he writes of the difficulties of interpreting the Buddhist literature as it is in verse and he cannot find anyone that can give an adequate explanation of it. He writes that the ancient literature writes of pilgrims between India and China and of the difference in Buddhism between the two countries.

He also writes of the statistical investigation of the country and information that he is gleaning from merchants. He writes that the Royal Asiatic Society will publish his Japanese grammar.

Albums and single cuttings of newspaper articles. mostly written by Quaritch Wales. The contents concern the history and politics of India, China and other countries in Southeast Asia.