- FondsGuillebaud - Papers of Claude William Guillebaud
- SeriesGuillebaud 6 - Other writings on Economics.
- File1 - 'Report of a Visit to Berlin, May 2nd to May 8th, 1919'.
- File2 - Text of Guillebaud's speech, 'The Power of the Past and the Realities of To-Day'.
- File3 - Encyclopaedia entries: 'Luxury' and 'Luxury Taxes'. By Guillebaud [for Encyclopaedia Britannica].