Postcode sector maps : [Great Britain and Northern Ireland]
Geoplan (Firm)
Harrogate : Geoplan in association with the Post Office,
c1993-1996.
Sheet nos. 1-41 (mainly county maps) are at scale 1:100,000.
Sheet 40: Greater London is at scale 1:70,000.
Sheet nos. 42: Northern Ireland ; 43: Wales ; 44: Orkney, Shetland and the Western Isles ; 45: Northern Scotland ; 46: Central Scotland ; 47: Western & central Scotland are at scale 1:250,000.
Base maps: OS 1:100,000 & 1:250,000.
Insets: Enlargements of selected city centers.
Graphic index in central (thematic) file.