The Fifth International Congress of Linguists took place in Brussels from 28 August to 2 September 1939. This material contains correspondence and printed material connected to this Congress. These are:
- First Circular for the Fifth International Congress of Linguists giving details of the Conference and the topics to be addressed. Written in French, dated 20 October 1938.
- Postcard from H.W. Bailey to Col. Hoysted, Secretary, Royal Asiatic Society, to inform him that Bailey was intending to attend the Congress. Handwritten, dated 12 January 1939.
- Letter from Col. Hoysted, Secretary, Royal Asiatic Society, to the Secretary, International Congress of Linguists, to inform him that Professor H.W. Bailey will represent the Society at the Congress. Typed, dated 26 January 1939.