In 2003 the Royal Asiatic Society undertook to rent rooms to the Society for South Asian Studies. This material includes correspondence between the two Societies, and with the acting Solicitors, Gregory Rowcliffe Milners; draft agreements and an inventory of the contents of the rooms to be rented.

In December 2003, the Council decided to consider moving properties. A Property Steering Group was set up to pursue the recommendation for finding new premises. The material in this series consists of a letter sent by Francis Robinson to members of the group in advance of the meeting of the group on 11 January 2005, and the Minutes for the Group's meeting on 10 February 2005.

In 2004, Chesterton Ltd. were instructed to provide a marketing report and advice on the disposal of 60 Queen's Gardens. This material contains correspondence between Chesterton and the Royal Asiatic Society, dated 11 May 2004- 25 November 2004. The material also contains correspondence between the Society and Manches LLP who sold the property to The Jordanian Book Centre, dated 11 March 2005-26 August 2005, when both sale of the Queen's Garden property and purchase of 14 Stephenson Way were complete.

The move of the Society from Queen's Gardens necessitated the sale of some furniture and curtains. This material includes correspondence with The Curtain Exchange, Lloyds International Auction Galleries, and Christie's. It also includes a Catalogue for Christie's Auction of Furniture and Decorative Objects held on 11 October 2005, when some of the Society's furniture was in the sale.

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.

Notifications, Agendas and Minutes of Meetings of the Sesquicentenary Planning Committee. Includes some signed minutes. The Sesquicentenary Committee was established to oversee the organisation of the celebrations. The first meeting was held on 27 November 1968. They continued to meet even after the Sesquicentenary to administer the funds and give a progress report. In the Minutes for 9 January 1975, it was noted that arrangements were approved for the dissolution of the Committee on 19 February 1975.

Administrative lists concerned with the organisation of the Sesquicentenary celebrations. These are:

• "Sesquicentenary Committee", 1972-1973
• "Sesquicentenary Celebrations 1973" - Committee, 1971, 1974/5
• "Synopsis" - sheet of plans and events
• "Social Occasions" - listing Dinner, Reception and Concert
• "Summary of Minutes Concerning Exhibitions"
• "Appeals" listing fund-raising ideas
• "1973 Tentative Calendar of Events"
• "Royal Asiatic Society" - listing items within the Collections
• "Sesquicentenary" - summarising the different components of the celebrations
• "Sesquicentenary Reception" - Proposed list of guests - 2 versions

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

Visitors' Book for the Sesquicentenary Reception containing the signatures of the guests including those of Her Majesty the Queen and HRH The Duke of Edinburgh.

Correspondence with Ring & Brymer (Birch's) Ltd concerning catering for the Sesquicentenary Dinner. These are:

• Letter from Ring & Brymer (Birch's) Ltd. to Miss Crawford, Secretary of Royal Asiatic Society, to enclose suggestions for the Dinner Menu, dated 21 May 1973.
• Letter from Miss Crawford, Secretary of Royal Asiatic Society, to Ring & Brymer (Birch's) Ltd to ask that they be booked for that date and the choice of menu, dated 29 June 1973.
• Letter from Ring & Brymer (Birch's) Ltd. to Miss Crawford, Secretary of Royal Asiatic Society, to confirm they have received the booking, dated 3 July 1973.
• Letter from Miss Crawford, Secretary of Royal Asiatic Society, to Ring & Brymer (Birch's) Ltd to confirm various points regarding the meal, dated 19 October 1973.
• Invoice from Ring & Brymer (Birch's) Ltd. to Miss Crawford, Secretary of Royal Asiatic Society, for the cost of the Dinner, dated 25 October 1973.