Amber Valley District, official street plan.
Gloucester :  British Publishing Co., 
[1983]
"Bn/CPS/8307".
Contents: street plans of Alfreton, Ambergate-Heage-Nether Heage, Belper, Duffield, Heanor, Kilburn, Ripley-Codnor, Swanwick-Riddings-Somercotes.
Includes street indexes.