Correspondence with Merchant Taylors' Hall concerning the hosting of the Sesquicenteary Dinner at the premises on Threadneedle Street. These are:

• Letter from B.W. Robinson, President of Royal Asiatic Society, to The Clerk, Merchant Taylors' Hall to ask whether the possibility of holding the Sesquicentenary Dinner at the Hall could be made official, dated 21 April 1972.
• Letter from the Clerk, Merchant Taylors' Hall, to B.W. Robinson, President of Royal Asiatic Society, to inform that the Master and Wardens have agreed in principle to the use of the Hall, dated 19 July 1972.
• Letter from the Clerk, Merchant Taylors' Hall, to B.W. Robinson, President of Royal Asiatic Society, to inform that the Master and Wardens have agreed with the terms and conditions concerning the Sesquicentenary Dinner and to stipulate some costs and their preferred caterer, dated 12 January 1973.
• Letter from B.W. Robinson, President of Royal Asiatic Society, to The Clerk, Merchant Taylors' Hall, regarding the terms and conditions, and to invite the Master to the Dinner, dated 15 January 1973.
• Letter from Secretary, Royal Asiatic Society, to The Clerk, Merchant Taylors' Hall, to confirm acceptance of use of the Hall, dated 29 June 1973. Letter from the Clerk, Merchant Taylors' Hall, to Secretary, Royal Asiatic Society, to enclose the Company's account for the Dinner, dated 29 October 1973.
• Letter from Secretary, Royal Asiatic Society, to The Clerk, Merchant Taylors' Hall, to enclose the cheque for the Society's Dinner, dated 12 November 1973.
• Letter from the Clerk, Merchant Taylors' Hall, to Secretary, Royal Asiatic Society, to enclose the receipt for the cheque, dated 23 November 1973.

Two versions of the seating plan for the Sesquicentenary Dinner, one dated 22 October and the other, amended 23 October.

16 black & white photographs of the Sesquicentenary Dinner with 3 further proof sheets.

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.

Organisational Lists for the Symposium.These are:

• List of Guests - 2 copies
• List of Speakers
• Partial List of Foreign Scholars expected to participate in the symposium 'The Undeciphered Languages' to be sponsored by the Royal Asiatic Society.
• Partial List of British Scholars expected to participate in the symposium 'The Undeciphered Languages' to be sponsored by the Royal Asiatic Society.
• "Symposium - Tickets & Advance Programme to:
  *" Royal Asiatic Society Sesquicentenary Symposium: Accommodation List- 2 copies
• Royal Asiatic Society Sesquicentenary Symposium: Advance Programme - 2 copies

Correspondence with other Official Bodies: These are:

• Correspondence with the British Academy concerning the giving of a grant from the British Academy to support the Sesquicentenary Symposium, 8 letters, dated 19 December 1972 - 7 June 1973.
• Correspondence with the Mayor of London, Mansion House, regarding the possibility of holding a Reception at Mansion House. This was not possible, 4 letters dated 19 March 1973 - 29 March 1973.
• Correspondence with the Corporation of London regarding the possibility of them hosting a Reception. This was not possible. 2 letters, dated 6 April 1973 - 23 May 1973.

Correspondence with The Times newspaper. These are a letter to invite The Times to attend the Symposium, dated 20 July 1973, and a letter to thank Philip Howard of The Times for attending, date 2 August 1973. Both are from the President of the Royal Asiatic Society.

Correspondence concerning the administration of the Turkish day. These are:

• Letter from Susan Skilliter to Diana Crawford, Secretary, Royal Asiatic Society, to give details of the Secretary of the Anglo-Turkish Society, dated 17 May 1972.
• Letter from Susan Skilliter to Diana Crawford, Secretary, Royal Asiatic Society, to report on her conversation with the Secretary of the Anglo-Turkish Society, dated 26 October 1972.
• Letter from Susan Skilliter to Diana Crawford, Secretary, Royal Asiatic Society, to send details of a prospective member and to ask whether Diana Crawford had been contacted by the Secretary of the Anglo-Turkish Society. She suggests Professor Bernard Lewis as a speaker, dated 5 January 1973.
• Letter from Susan Skilliter to Diana Crawford, Secretary, Royal Asiatic Society, to state she is writing to Bernard Lewis concerning speaking on the day, dated 5 January 1973.
• Letter to the Cultural Attaché, The Turkish Embassy, to invite him to the Turkish Day, dated 1 February 1973.
• Letter from P.C. Eliot, Anglo-Turkish Society, to Susan Skilliter asking for copies of the invitation that can be sent out in their next mailing to their members, dated 13 February 1973.
• Letter from Susan Skilliter to Diana Crawford, Secretary, Royal Asiatic Society, to state that the Anglo-Turkish Society require 600 copies of the invitation for the Turkish National Day, dated 14 February 1973.
• Letter from Royal Asiatic Society to Susan Skilliter regarding the Society's involvement in the Turkish Day and the obligation of the Anglo-Turkish Society, dated 22 February 1973.
• Letter from Bernard Lewis to Susan Skilliter to report that he will need to cancel giving the lecture for the Turkish Day, dated 5 March 1973.
• Letter from Susan Skilliter to Diana Crawford, Secretary, Royal Asiatic Society, to say she will probably be unable to get to the Sesquicentenary Committee meeting and therefore could Diana Crawford report on the Turkish Day plans, dated 6 March 1973.
• Letter from Barbara Brend to Susan Skilliter to ask further questions regarding the Turkish Day on behalf of the Anglo-Turkish Society, dated 8 March 1973.
• Letter to Susan Skilliter to state that her draft had been approved and to query the number of people to attend the Day from the 2 Societies, dated 12 March 1973. Letter from Susan Skilliter to Diana Crawford, Secretary, Royal Asiatic Society, to enclose a copy of Barbara Brend's letter, to inform that Bernard Lewis had cancelled and that she has asked Victor Ménage. She was going to Malta, and wondered whether the day should be cancelled, dated 13 March 1973.
• Letter from Bernard Lewis to Diana Crawford, Secretary, Royal Asiatic Society, to ask why his name was still appearing on the Turkish Day information, dated 20 March 1973.
• Letter from Bernard Lewis to Diana Crawford, Secretary, Royal Asiatic Society, to state that since he was now not leaving the country until the 27th April he would be able to lecture on the 26th April, dated 23 March 1973.
• Letter from Diana Crawford, Secretary, Royal Asiatic Society, to Capital Wines and Travers Ltd. to confirm the order of 3 dozen bottles of wine, dated 13 April 1973.
• Letter from Capital Wines and Travers Ltd. to Royal Asiatic Society to apologise for the missed delivery and refund the money, dated 3 May 1973.
• Letter from Barbara Brend to Susan Skilliter concerning the money owed by the Anglo-Turkish Society and to provide the name of someone who could take care of the matter, dated 10 May 1974.
• Letter from Susan Skilliter to Diana Crawford, Secretary, Royal Asiatic Society, to ask concerning the money owed by the Anglo-Turkish Society, dated 11 May 1974.
• Letter from Diana Crawford, Secretary, Royal Asiatic Society, to Mr Matthews to ask for the money from the Anglo-Turkish Society, dated 30 May 1974.
• Letter from R.G. Matthews to Diana Crawford, Secretary, Royal Asiatic Society, to enclose the requested money, dated 6 June 1974.
• Letter from Diana Crawford, Secretary, Royal Asiatic Society, to Mr Matthews to thank him for the money, dated 19 June 1974.

Correspondence regarding the administration of the Iran day. These are:

• Letter from B.W. Robinson, President of Royal Asiatic Society, to Sir Peter Agnew, Iran Society, concerning the possibility of the Iran Day, dated 5 June 1972.
• Letter from Sir Peter Agnew, Iran Society, to B.W. Robinson, President of Royal Asiatic Society, to state that he is happy to put the proposal before the Council of the Iran Society, dated 13 June 1972.
• Letter from B.W. Robinson, President of Royal Asiatic Society, to Sir Peter Agnew, Iran Society, to suggest a tentative date for the Iran day, dated 25 October 1972.
• Minutes of a meeting with Dr. Ferrier concerning arrangements for the Iran Day, dated 7 September 1973.
• Letter from Dr. R.W. Ferrier to Diana Crawford, Secretary, Royal Asiatic Society, to confirm arrangements and to send a draft of his talk, dated 24 September 1973.
• Letter to Dr Ferrier regarding his expenses for the Iran Day, undated.

Letter from J. Smith, Headmaster's Secretary, Westminster School, to Secretary, Royal Asiatic Society, to apologise for not replying earlier to the letter to suggest a lecture at the school but to inform that it would not be possible, dated 28 March 1973.