The Royal Anthropological Institute began making inquiries regarding the lease of rooms at 56 Queen Anne Street in January 1976 and they began to occupy the premises in 1977. In 1979 they extended the numbers of rooms to include two small back rooms to house their photographic collections. They finally agreed to leave the premises on 5 January 1988.
The material concerns the Underlease agreements between the Royal Asiatic Society and the Royal Anthropological Institute. These are:

• Underlease between the Royal Asiatic Society of Great Britain and Ireland, and the Royal Anthropological Institute of Great Britain and Ireland for the Ground Floor Front Rooms at 56 Queen Anne Street, dated 7 February 1977.
• Licence between the Royal Asiatic Society of Great Britain and Ireland, and the Royal Anthropological Institute of Great Britain and Ireland for the use of the various rooms for storage, administration and lectures. Dated 7 February 1977.
• Licence between the Royal Asiatic Society of Great Britain and Ireland, and the Royal Anthropological Institute of Great Britain and Ireland relating to the use of ground floor rooms and other facilities. Dated 1 March 1983.
• Photocopy of Licence between the Royal Asiatic Society of Great Britain and Ireland, and the Royal Anthropological Institute of Great Britain and Ireland relating to the use of ground floor rooms and other facilities. Dated 27 July 1984.
• Correspondence concerning the agreements between the two Societies, the rental arrangements, and the timing of the move of the Institute on the Royal Asiatic Society relinquishing the lease for the premises. These are mainly between the Royal Asiatic Society, the Royal Anthropological Institute, the Howard de Walden Estate and the institutions' solicitors.

Royal Asiatic Society 150th Anniversary Appeal: A Summary of Objectives. Typed material; 2 versions. Smaller 1 copy, longer, 3 copies.

To coincide with the Queen's visit to the Royal Asiatic Society an exhibition was prepared at the premises of the Society. The material connected with this Exhibition is:

• "Royal Asiatic Society 150th Anniversary Exhibition 19 February 1973 - exhibition catalogue, typed material, 3 copies.
• Letter from W. Williams Wynn to Mr Beckingham to inform that though they have a portrait of Charles W. Williams Wynn but they will not part with it. He enquires whether a photograph of the portrait would be sufficient, dated 28 August 1968.
• Appeal notice for invitation cards, etc, designed by Professor Yetts for the Royal Asiatic Society, present in his Papers held by his estate, to be donated to the Society for their anniversary celebrations. With this is an example of one letterhead.
• Letter from Ray Strong, Director, National Portrait Gallery, to C.R. Beckingham, President, Royal Asiatic Society, to state that his request for the loan of the portrait of Sir Bartle Frere or Professor Horace Hayman Wilson will be put before the Trustees at their next meeting, dated 3 September 1968.
• Letter from B.W. Robinson, President, Royal Asiatic Society, to W.G. Easeman, Museum Superintendent, Victoria and Albert Museum, to ask if the Society may borrow display cases and boards for their exhibition, dated 2 January, 1973.
• Letter from B.W. Robinson, President, Royal Asiatic Society, to Miss Mercer, Head Archivist, County Hall, London, to ask if the Society may borrow an interior view of the Thatched House Tavern, where the Society's first meeting was held, dated 5 February 1973.
• Letter from Miss Mercer, Head Archivist, County Hall, London, to B.W. Robinson, President, Royal Asiatic Society, to confirm that the Greater London Council would be willing to lend a copy of the engraving of the Thatched House Tavern, dated 8 February 1973.

"Royal Asiatic Society 150th Anniversary Year, 1823-1973, Calendar of Events". List of events, some annotated with supplementary events and changes to the programme.

In 1983 the Royal Asiatic Society celebrated its 160th Anniversary with a lecture, concert and Vin d'honnuer. There is a small amount of publicity material and correspondence related to this celebration.

In 1998, the Royal Asiatic Society celebrated its 175th anniversary with an exhibition, "Persian and Indian Manuscripts and Paintings from the Collection of the Royal Asiatic Society" at the British Museum, and a lecture, "The Book of Kings: The Juki Shahnama of the Royal Asiatic Society" by Dr Barbara Brend, held at the British Library. This material covers the planning, publicity and attendance at these events. Also in conjunction with the exhibition, the publication Persian Paintings in the Collection of the Royal Asiatic Society by B.W. Robinson was published.

Royal Asiatic Society Appeal Questionnaire to ascertain from Fellows which Organisations they may be able to approach to elicit support for the Royal Asiatic Society's Anniversary Appeal.

Two versions of the Society's emblem of a banyan tree with the Latin motto 'Quot rami tot arbres' to be used in the printing process. The emblem was used on the Journal cover between 1863 and 1941.

In 1923 the Royal Asiatic Society celebrated its Centenary. This archival material contains a scrapbook with Centenary correspondence and invitations, further congratulatory correspondence, material concerning the Centenary Events, and correspondence concerning the publication of a Centenary Volume.

Notification of the Centennial Anniversary Celebrations between 17th to 20th July 1923, with request for subscriptions towards an Entertainment Fund. Detachable portion to send with such donation.