U DYE/1 Photographic material, 1882 - 1989

U DYE/2 Research files and notebooks, 1880 - 1996

U DYE/3 London & North Eastern Railway records, 1864 - 1965

U DYE/4 Published material, 1847 - 1997

U DYE/5 Miscellaneous, 1928 - 1996