• Minute Book of the Meetings of the English Signatories and Representatives of the International Assembly of Orientalists - handwritten minutes for meetings from 15 January 1890 - 29 April 1890.
• Minute Book of the English Central Committee of Organization - handwritten minutes for meetings from 12 June 1890 - November 1892.
• Record of the printing of the papers published - handwritten log of papers to be published.

The Royal Asiatic Society has produced a Journal from the early years of its formation and continues to do so. This material covers the records made in the production, administration and distribution of the Journal.

In 1973 the Royal Asiatic Society celebrated its Sesquicentenary (150 years). The archival material includes Planning committee administration; material connected with the various events held, exhibitions put on and publications produced in celebration of the occasion; and material concerned with fundraising for the Society.

Printed material to advertise the Royal Asiatic Society and list the Events for its Sesquicentenary Celebrations.

Material concerned with the Sesquicentenary Reception held on 19 February 1972 with Her Majesty the Queen and HRH The Duke of Edinburgh in attendance.

Newspaper cuttings from The Times, 19 February 1973, The Times, 20 February 1973, The Daily Telegraph 20 February 1973, and Mayfair News, 2 March 1973, and unknown paper, all reporting on the Queen's visit to the Royal Asiatic Society's Sesquicentenary Reception.

Material concerning the Royal Asiatic Society's Sesquicentenary Dinner held on 25th October 1973 at the Merchant Taylors' Hall.

Letter from Stuart Simmonds, President, Royal Asaitic Society, to Phil, School of Oriental and African Studies, to thank him for SOAS agreeing to host the Symposium and to ask whether they might also host a Sherry reception for the participants, dated 19 July 1973. Further correspondence accepting the invitation to the Sherry reception held at the Committee Room, School of Oriental and African Studies, on 24 July 1973. These are from Dr. R.D. Barnett, Mr G.A. Calver, Mr & Mrs J.T. Hooker, Professor and Mrs C.F. Beckingham, Sir Mortimer Wheeler, and Mrs J.M. Witt.

The Royal Asiatic Society from 23-27 July 1973 entitled "The Undeciphered Languages". The material in this series covers the administration, correspondence and advertising of this Symposium.

Abstracts for some of the Papers delivered at the Symposium. These are:

• "The state of the study of Proto-Elamite" by Professor Piero Meriggi
• "The Linguistic Situation of the 2nd Millennium B.C. in Ancient Anatolia" by Annelies Kammenhuber
• "Hieroglyphic Hittite: Some new readings and their consequences" by J.D. Hawkins and A. Morpurgo-Davies
• "The Study of Lydian" by Professor R. Gusmani.
• "Minoan Linear A" by John Chadwick
• "The Decipherment of Minoan and Eteocretan" by Cyrus H. Gordon
• "The Present State of Research on the Cypro-Minoan Syllabic Scripts - some attempts at interpretation" By Mme Emilia Masson
• "Problems and Deceipherment of Linear A" by J.T. Hooker
• "Archaeological Evidence for the Indus Script" by Professor B.B. Lal