Correspondence concerning the first session of the International Congress of Anthropological and Ethnological Sciences. These are:

• Letter from T.A. Joyce, Chairman, and John L. Myres and Alan H. Brodrick, Honorary Secretaries, International Congress of Anthropological and Ethnological Sciences, to The President, Royal Asiatic Society, to invite him to the be one of the Vice-Presidents for the first session of the International Congress of Anthropological and Ethnological Sciences. Dated 4 July 1933.
• Letter from John Myres, Honorary Secretary, International Congress of Anthropological and Ethnological Sciences, to The Secretary, Royal Asiatic Society to inquire as to why there had been no reply from the President, as they wished to print a list of the Vice-Presidents. Undated.
• Letter from E.D. Maclagan, President, Royal Asiatic Society, to Colonel Hoysted, Secretary, Royal Asiatic Society, to send his reply to the International Congress of Anthropological and Ethnological Sciences. He writes about his successful fishing. Dated 18 July 1933.
• Letter from E.D. Maclagan, President, Royal Asiatic Society, to John Myres to apologise for his tardy reply and to state that the President of the Society would be happy to be a Vice-President at the Congress, though as his Presidency would finish in May, it would be the next President that undertook the role. Dated 18 July 1933.
• Letter on behalf of H.G. Beasley, International Congress of Anthropological and Ethnological Sciences, to Colonel Hoysted, Secretary, Royal Asiatic Society, to thank him for sending a list of the Fellows of the Royal Asiatic Society. Dated 9 July 1934.
• Letter from the Earl of Onslow, President, International Congress of Anthropological and Ethnological Sciences, to The Secretary, Royal Asiatic Society, to send his thanks for the Society's support of the Congress. Dated 9 October 1934.

Letters and official bulletins for the Fourth Session of the International Congress of Anthropological and Ethnological Sciences held in Vienna from 1-8 September 1952. These are:

• International Congress of Anthropological and Ethnological Sciences, Fourth Session, Vienna, Second Circular. Printed leaflet concerning the Congress and cost for membership and for hotel rooms. Dated January 1952.
• Congrès des Sciences Anthropologiques et Ethnologiques: Membership Form. Printed form for application for membership for the Congress.
• Letter from Wilhelm Koppers, Secretary, and Robert Heine-Geldern, Vice-President, International Congress of Anthropological and Ethnological Sciences, to The President, Royal Asiatic Society, to ask the Society to nominate a delegate for the Congress. Dated 21 February 1952.
• Letter from Robert Heine-Geldern to Sir Richard Winstedt to send an official invitation for the Congress. He also writes about his pleasure in having met Sir Richard. Dated 21 February 1952.
• Letter from Secretary to Gentlemen of the Royal Asiatic Society to state that the Organising Committee of the 4th International Congress of Anthropological and Ethnological Sciences has asked the Society for delegates at the Congress. He names H.G. Quaritch Wales and J.V. Mills as delegates who are already appointed. Dated 2 July 1952.

Official documentation sent out by the Congrès des Sciences Anthropologiques et Ethnologiques. These are:

• Congrès des Sciences Anthropologiques et Ethnologiques. Règlement Général - List of Articles concerning the purpose and regulation of the Congresses. Written in French.
• International Congress of Anthropological and Ethnological Sciences. Letter to invite attendance at the Congress. It describes the History and Organisation of the Congress, the Date and Place of the London Session and the Sections of the Conference. It asks for subscriptions for membership at the Congress and is signed by the British members of the Permanent Council and the British National Secretaries.
• Congrès des Sciences Anthropologiques et Ethnologiques. Letter to invite attendance at the Congress with a list of the President, Committee of Honour, Bureau and Permanent Council. Also an Application Form for Membership of the Congress. Written in French.
• International Congress of Anthropological and Ethnological Sciences. Letter, list and form as above, written in English. Two copies, one of which has been annotated.

Copy of an article reprinted from Man, 1933, entitled "International Congress of Anthropological and Ethnological Sciences. Preliminary Conference at Basel: 20-22 April, 1933". The article describes the sessions held at the Conference, the proposals made concerning future Congresses, and participants at the preliminary conference. Printed by Eyre and Spottiswoode Limited, London.

Correspondence and official documentation for the Second International Congress of Anthropological and Ethnological Sciences held in Copenhagen from the 1-6 August, 1938. These are:

• "International Congress of Anthropological and Ethnological Sciences, Second Session, Copenhagen, 1938, Under the patronage of H.M. the King of Denmark and Iceland, Second Circular". Printed pamphlet detailing information about the Congress, the provisional programme, sections, excursion and including a form for Application for Membership at the Conference. Printed material.
• Letter from H.J. Braunholtz and M.L. Tildesley, British National Secretaries, International Congress of Anthropological and Ethnological Sciences, to remind about the forthcoming Congress and to ask to be informed as to whether the recipient would be attending and wishing to submit a paper or make proposals concerning the future of the Congresses. Typed, dated 23 May 1938.
• Letter from Colonel Hoysted, Secretary, Royal Asiatic Society, to the National Secretaries, International Congress of Anthropological and Ethnological Sciences, to inform that Professor J.L. Myres would represent the Society at the next Congress, that he will not be reading a paper, nor did the Society have any suggestions regarding the Congress. Typed, dated 7 June 1938.

"The VII International Congress of Anthropological and Ethnological Sciences Preliminary Announcement". A letter from Seiichi Izumi and Hisashi Suzuki, Organizing Secretaries, to announce the forthcoming meeting of the Congress in Tokyo and Kyoto from 3-10 September 1968. Dated October 1966.