D267/56/3
Surveyor of the Highways lists of inhabitants at Ashover, Alton, Walton and Swatherwick...
1768-1805
Pashley Collection: artificial collection
Derbyshire Record Office
LS/622.33
Coal map: Alton, Dunsil & Low main coal no. 30D.
nd
LS/720.942511
Lost buildings of the Peak District.
2007
LS/728.83
The Derbyshire country house volume II.
1984
Bryan Donkin Company Ltd of Chesterfield, engineering firm