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.

Correspondence concerning a special meeting to be held from 20-23 September 1938, at Keble College, Oxford, to celebrate the twenty-first anniversary of the founding of the Society for Old Testament Study. These are:

• Letter from Theodore H. Robinson, Secretary, Society for Old Testament Study, to Colonel Hoysted, Secretary, Royal Asiatic Society, to inform concerning the special meeting at which several Honorary Members will read papers alongside distinguished British scholars. He asks for the Royal Asiatic Society to be represented at the meeting. Typed with printed letterhead, dated 16 June 1938.
• Letter from Colonel Hoysted, Secretary, Royal Asiatic Society, to Dr M. Gaster to ask, on behalf of the Council, whether he would consider being the Society's representative at the special meeting of the Society for Old Testament Study. Typed, dated 15 July 1938.
• Letter from Colonel Hoysted, Secretary, Royal Asiatic Society, to Dr A. Guillaume to ask, on behalf of the Council, whether he would consider being the Society's representative at the special meeting of the Society for Old Testament Study. Typed, dated 15 July 1938.
• Letter from Dr A. Guillaume to Colonel Hoysted, Secretary, Royal Asiatic Society, to express his honour in being the Society's representative. He states that he may have difficulties attending the whole Conference due to duties as the Bishop's chaplain. Typed with printed letterhead, dated 16 July 1938.
• Letter from Dr M. Gaster to Colonel Hoysted, Secretary, Royal Asiatic Society, to state that he would be happy to act as the Delegate of the Royal Asiatic Society. Typed, dated 18 July 1938.
• Postcard from Dr A. Guillaume to Colonel Hoysted, Secretary, Royal Asiatic Society, to state that he has managed to be freed from his duties and will therefore accept the honour of representing the Royal Asiatic Society. Handwritten with printed letterhead, dated 27 July 1938.
• Letter from Dr A. Guillaume to Colonel Hoysted, Secretary, Royal Asiatic Society, to state that he has not had any communication from the Society for Old Testament Study. If Col. Hoysted has been sent any notice could it be forwarded to Guillaume. Typed with printed letterhead, dated 16 September 1938.
• Letter from Theodore H. Robinson, Secretary, Society for Old Testament Study, to Colonel Hoysted, Secretary, Royal Asiatic Society, to state that he does not seem to have had a reply concerning the representative for the Royal Asiatic Society. Handwritten with printed letterhead, dated 18 September 1938.
• Letter on behalf of Colonel Hoysted, Secretary, Royal Asiatic Society, to Theodore Robinson to state that Professor Guillaume will represent the Society. Typed, dated 19 September 1938.
• Letter on behalf of Colonel Hoysted, Secretary, Royal Asiatic Society, to Dr A. Guillaume to enclose the programme for the meeting and apologise for him not receiving one sooner. Typed, dated 19 September 1938.