The 11th International Oriental Congress was held in Paris in 1897. The papers consist of a printed pamphlet entiteld "The Eleventh International Oriental Congress" By Robert Needham Cust, LL.D.. It is a report of the congress extracted from "Linguistic and Oriental Essays" Series V, pp.993-1012, and was printed by Stephen Austin and Sons, Hertford in 1897.

In 1926, the possibility of an International Congress was raised again. The material in this series consist mainly of correspondence between Émile Senart and Edward S.M. Perowne. They are:

• Letter from Émile Senart to Edward Perowne concerning Senart's discussion with F.W. Thomas and the possible involvement of the Royal Asiatic Society. Handwritten in French, dated 23 October 1926.
• "re Oriental Congress, Note of Interview with Mr Émile Senart at la Ferte Bernard, 2 November 1926" by Edward Perowne concerning Senart's suggestion for the restarting of the Congress of Orientalists. Typed, dated 30 October 1926 [Note, dates do not match].
• "Translation of letter subsequently written by me from Paris to Mr Senart" by Edward Perowne, to clarify the points concerning the forming of an Oriental Congress. Typed, dated 5 November 1926.
• Letter from Émile Senart to Edward Perowne in which he responds to the proposal laid out in Perowne's previous letter. Handwritten, dated 8 November 1926. With this letter is a typed translation made by Perowne. * Translation of a letter from Edward Perowne to Émile Senart in which he writes of his discussions with Mr Thomas and that the Royal Asiatic Society has yet to discuss their views regarding an Oriental Congress and to clarify points raised by Senart. Typed, dated 11 November 1926.
• "Memorandum for a Meeting of the Entente Committee" sent out by F.W. Thomas to announce the meeting called to discuss a notice issued by the Dutch Oriental Society announcing its oriental congress in 1927 and the possibility of reviving the International Congress of Orientalists. Typed, dated 14 December 1926. With this memorandum are typed copies of the correspondence and meetings between Perowne and Senart for 2 November, 5 November, 8 November and 11 November 1926.
• Letter from S.M. Edwardes, Secretary, Royal Asiatic Society, to The Secretary, Oestersch Genootschap in Nederland, to relate the concerns of the Council of the Royal Asiatic Society concerning the procedure of reviving the International Oriental Congress. Typed, undated.

The 21st International Congress of Orientalists was held in Paris in July 1948. Material associated with this Congress is:

• "Première Circulaire" from J. Bacot, President of the Societé Asiatique concerning the 21st Congress to be held in Paris. Printed in French, undated.
• "Deuxème Circulaire" from J. Bacot, President, and R. Grousset, Secretary-General, Organising Committee, concerning details of the 21st Congress. Printed in French, undated.
• "Bulletin d'Adhésion" for the 21st Congress. Printed in French, undated.

Reprint from the Journal of the American Oriental Society, 1918, of the Agreement between the Société Asiatique and the American Oriental Society with the "Circular Letter to the Members of the American Oriental Society concerning a French Plan for securing closer relations of mutual helpfulness between the Société Asiatique and our own" by Charles R. Lanman, dated 14 March 1918. Two copies of the reprint and a further copy of the circular letter.

Also a letter from Émile Senart to F.W. Thomas, Secretary, Royal Asiatic Society, to report on the Agreement between the Société Asiatique and the American Oriental Society. Typed, 21 June 1918.

Correspondence, reports and printed material regarding the agreement of cooperation made between the Société Asiatique and the Royal Asiatic Society. These are:

• Letter from Émile Senart to Lord Reay, President, Royal Asiatic Society, concerning the possibility of the two societies cooperating. Handwritten in French, dated 19 December 1916.There is also a typed copy of this letter.
• Notes on the meeting of the Société Asiatique and a commission that will be formed. Handwritten on the reverse of an agenda for the Council meeting of 13 February 1917.
• Letter from the Council, Royal Asiatic Society, to Lord Reay to state that the Council at its meeting passed the resolution that they had great sympathy with the desire of Émile Senart and suggest the formation of a small committee to take this further. Handwritten, undated.
• Letter from Émile Senart to thank for the invitation to work towards an agreement between the Societies. Handwritten in French, dated 2 March 1917.
• Letter from Émile Senart to write concerning the forming of a committee to work with the Royal Asiatic Society. Handwritten in French, dated 9 March 1917.
• Memorandum from the Société Asiatique concerning the appointment of a Committee to work towards more intimate relations with the Royal Asiatic Society. Typed, dated 31 March 1917
  *. Letter from Charels Lyall, Chairman of the Committee, Royal Asiatic Society to report on its deliberations of the proposal for cooperation in the Memorandum from the Société Asiatique. Typed, dated 8 May 1917.
• Letter from Émile Senart to Charles Lyall to thank for the the comments on the proposal. Handwritten in French, dated 26 May 1917.
• Notification that the Committee of Royal Asiatic Society had met to consider the memorandum from the Société Asiatique. The memorandum is with this note as is a copy of a further letter from Émile Senart enclosing a protocol of terms of agreement. The letter is dated 21 June 1917.
• Statement concerning the possibilities of cooperation. Typed in French, undated.
• Letter from Émile Senart to the President, Royal Asiatic Society, to write concerning the cooperation between the Societies and to submit a first draft of a scheme formulating the precise terms of cooperation. Handwritten in French, dated 21 June 1917. With this letter is a handwritten translation in English.
• Report of the Committee, Royal Asiatic Society regarding the protocol sent by the Société Asiatique. Handwritten, undated.
• "Terms of an agreement between the Société Asiatique of Paris & the Royal Asiatic Society". Handwritten list of points of agreement. Undated.
• Letter from F.W. Thomas, Secretary of the Committee, Royal Asiatic Society, to Émile Senart to state that the Committee assented to the protocol sent and will recommend its acceptance by the Royal Asiatic Society. Handwritten, dated 19 July 1917.
• "Notes of the Quarter (October - December 1917)" from the Journal of the Royal Asiatic Society which includes "An Agreement Concluded between the Royal Asiatic Society and the Société Asiatique of Paris." Printed material.
• "Convention Entré la Société Asiatique et la Royal Asiatic Society of Great Britain and Ireland". Offprint of agreement, written in French.

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.

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.

The International Congress of Orientalists, initiated in Paris in 1873, was an international conference of Orientalists. It was later renamed as the International Congress of Human Sciences in Asia and North Africa and then as the International Congress of Asian and North African Studies. This material covers the interaction of the Royal Asiatic Society with the Congress in the time period 1889 to 1993.

Digital photographs of early correspondence between the Société Asiatique and the Royal Asiatic Society. There are 24 images of 12 letters. With the images is a copy of an email from Jean-Michel Mouton to Alison Ohta, Director, Royal Asiatic Society, explaining about the photographs, dated 22 April 2022.