• Letter to Sir Harold Bailey to inquire whether Louis Bazin is still the Treasurer of the International Union of Orientalists, dated 20 February 1968.
• Letter from Secretary, Royal Asiatic Society, to Treasurer, International Union of Orientalists, to send the Society's contribution, dated February 1968.

• Letter from Secretary, Royal Asiatic Society, to Treasurer, International Union of Orientalists, to send the Society's contribution, dated 7 October 1965.
• Letter from Treasurer, International Union of Orientalists, to Secretary, Royal Asiatic Society, to confirm receipt of the money, dated 14 October 1965.

Correspondence concerned with the organisation of the London Congress. These are:

• Draft letter to Professors A Dillmann and A [Knewen], Presidents of 5th and 6th Congresses and to inform them that places of honour are reserved for them on the organising committee as ex-presidents. Undated.
• Letter from G.W. Leitner to Dr Bullinger to send replies from Sir George Birdwood (not with letter) and to ask that the Minutes of the meeting not be entered in the book until sure no more corrections would be needed. Dated 20 June 1890.
• Letter from G.W. Leitner to Dr Bullinger concerning the contention between different groups regarding the Congress. Dated 22 June 1890.
• Letter from G.W. Leitner to Dr Bullinger to enclose a letter from Birdwood to fix a meeting of Secretaries. He writes concerning the division of work among the Secretaries. He also asks concerning Minutes of the previous meeting which he deems was illegal but the items discussed can be put on agenda of a meeting that is legal. He also writes with his estimates for the cost of the Congress. Dated 29 June 1890.
• Letter from L. Leitner to Dr Bullinger to ask him to ask Mr Douglas to return Sir George Birdwood's letter which had been sent by her husband. Dated 30 June 1890.
• Letter from G.W. Leitner to Dr Bullinger to enclose a letter from Hewitt (not present) and one from Samuel Ball Platner (enclosed). He also writes about possible delegates and other administrative matters. Dated 6 July 1890. Samuel Bell Platner writes to suggest contacting the American Oriental Society. Dated 16 June 1890. Letter from G.W. Leitner to Dr Bullinger to arrange the next meeting of the signatories. Dated 10 July 1890.
• Two letters from Sir George Birdwood to Dr Bullinger concerning organising the forthcoming meeting and the work of the Secretaries. Dated 10 July-15 July 1890.
• Letter from G.W. Leitner to Dr Bullinger to express his grievances concerning the division of work, proposed members of the committee and contravention of the rules. dated 14 July 1890.
• Letter from G.W. Leitner to Dr Bullinger to state that he will try to attend the forthcoming meeting. Dated 19 July 1890.
• Letter from G.W. Leitner to Dr Bullinger to send his corrections for the Minutes, to hope these Minutes would not be discussed at the forthcoming meeting of the Secretaries, and to send agenda items for the next Committee meeting. Dated 21 July 1890.
• Letter from G.W. Leitner to state that the meeting held was illegal and his reasons for believing that. Dated 7 October 1890.
• Letter from G.R. Badenoch to Sir George Birdwood to tender his resignation but will endeavour to promote the congress. dated 13 October 1890.
• Letter from G.R. Badenoch to Dr Bullinger to ask for the subscriptions received for the 1891 Congress when they are now preparing for an 1892 Congress in opposition. Dated 14 November 1890. On the reverse is a copy of a proposed reply denying that the an opposing Congress had been started.
• Letter from G.W. Leitner to Dr Bullinger concerning the prospect of Henry Rawlinson and Grant Duff retiring from the Committee and to enclose letters from Dillman and Birdwood (not present). Undated.
• Letter from L. Leitner to Dr Bullinger to inform that Grant Duff had postponed the meeting. Undated.
• Letter from Arthur [Chalk] to Dr Bullinger expressing his concerns regarding the Congress after the resignations of Sir Henry Rawlinson and Sir Grant Duff. Dated 17 November 1890.
• Letter from G.R. Badenoch to Dr Bullinger to ask for him to reply to his letter of 14 November 1890. Dated 26 November 1890.
• Letter from Dr H.W. Bellew to Dr Bullinger expressing his concern regarding tickets issued and his name being used without his consent. Dated 30 December 1890. On reverse is a copy of Bullinger's reply to express his surprise that Bellew had not given his consent. Dated 31 December 1890.
• Letter from W [Maitir] Wood to Dr Bullinger expressing his concerns regarding the management of the Committee. Dated 10 January 1891.
• Letter from Dr Bullinger to explain the reasons for some of the changes and to return the recipient's cheque. Dated 13 January 1891.
• Letter from A. Weber, translated from National Zeitung, 7 March 1891 expressing his concerns regarding the 9th Congress of Orientalists.
• Letter from Robert L. Douglas to state that from a note from Sir George Birdwood it would appear that Leitner had resigned and to ask the recipient to obtain any official papers from Leitner. Dated 19 June.
• Translation of a letter from from the Vice-President of the Central Committee of Organisation of the Congress of Orientalists projected to be held in Seville Cordoba and Granada in September and October of 1892, to inform that due to the division of parties concerned with the Congress the Government of His Majesty in Spain withdraw their offer of support. Dated 29 January-6 February 1892.
• Letter from W. Henry to Professor Rhys Davids to thank for the honour of invitation and to ask whether the international jury will proceed by mutual exchange of letters. Dated 5 November 1892.

Two letters concerning attendance at the Conference of the Association of British Orientalists in 1953. These are:

• Letter from W. Montgomery Watt, to inform that the next meeting of the Conference will be held in Edinburgh from 15-21 July 1953. Dated November 1952.
• Letter from Pierre Cachia and W. Montgomery Watt, Joint Secretaries, Local Organising Committee, to ask for people to confirm their attendance at the Conference in order that the accommodation booking can be arranged, dated February 1953.

In 1922 the Société Asiatique celebrated its centenary. Material connected with this is:

• Letter from Émile Senart to request the presence of a delegate at the centenary celebration from 10-13 July 1932. Printed in French, dated 1 May 1922.
• Letter from the Bureau of the Société Asiatique concerning the double celebration of the centenary of the Société Asiatique and the centenary of the discovery of "Champollion". Printed in French, undated.
• Advertisement for "Le Livre du Centenaire (1822-1922)" - a publication produced for the centenary of the Société Asiatique. Typed in French, undated.

In 2022 the Société Asiatique celebrated its bicentenary. Material connected with this is:

• 'D'un centenaire à l'autre: la Société Asiatique de 1822 à 2022', Programme for an international conference held in honour of the Society's bicentenary from 27-28 January 2022. Computer printed paper, written in French, 4 pieces.
• Medal to celebrate the bicentenary of the Société Asiatique. One side features a rising sun with the words 'Bicentennaire de la Société Asiatique, 1822-2022', and the reverse bears the portraits of Antoine Silvestre de Sacy, Ernest Renan, Émile Senart and Paul Pelliot. The medal is 8 cm in diameter and is housed within a presentation case. The medal was presented to the Royal Asiatic Society by Professor François Déroche on the occasion of his lecture, 22 November 2023, as part of the Royal Asiatic Society's bicentenary celebrations.

Correspondence concerned with delegates attending the Congress. These are:

• Letter from Hans R. Roemer, Deutsche MorgenLandische Gesellschaft, to the Royal Asiatic Society to inform of delegates coming to the Congress. Typed, dated 6 July 1954.
• Letter from Meer S. Basri to Mrs Davis, Royal Asiatic Society, to ask for a confirmatory letter of his attendance at the Congress so he may obtain a visa. Typed, dated 14 July 1954.
• Letter from Denis Sinor, Organising Committee, to Mrs Davis, Royal Asiatic Society, concerning leaflets advertising the Congress and her offer of help for the Congress. Typed, dated 21 July 1954.
• Letter from Secretary, Royal Asiatic Society, to the Permanent Under-Secretary of State, to confirm Meer S. Basri's attendance at the Congress. Typed, dated 22 July 1954.
• Letter from Vivian Gaster to Royal Asiatic Society to ask to become a member of the Congress. Handwritten, dated 1 August 1954.
• Letter from Meer S. Basri to Mrs Davis, Royal Asiatic Society, to inform that he has obtained his visa. Handwritten, dated 16 August 1954.
• Letter from President, Royal Asiatic Society, to delegates at the Congress to invite them to become members of the Royal Asiatic Society. Typed, undated.