This series contains transparencies of Hillier's watercolours of the Reuther collection (AA 266/28/1-35), 2 of Rosa Fiveash's pasted watercolours (AA 266/28/36-37) and the Hillier map (AA 266/28/38).

The Hillier watercolours are accessioned as AA 266/10 and the Fiveash watercolours are accessioned as AA 266/1.

The prints of the Hillier map are accessioned in AA 266/16 and the negatives are accessioned in AA 266/17.