Letters, papers and printed documents of Henry Illingworth in connection with a survey of the worsted industry in northern France conducted by himself and John Venimore Godwin on behalf of the Joint Tariff Committee of Yorkshire Chambers of Commerce in October 1876.
Notebooks MS 605/A, MS 605/1-3.
Letters MS 605/B, MS 605, MS 605/4-19.
Reports and papers. MS 605/C, MS 605/20-30.
Printed papers: English MS 605/D, MS 605/31-44.
Printed papers: French MS 605/E, MS 605/45-71.