Free historic OS maps of England and Wales go online | Who Do You Ordnance Survey Maps Six inch England and Wales, 1842 1952 37000 Old OS Maps | Suprageography File:Padiham 1948 Old OS map central part. Wikimedia Commons Historic OS Maps in Google Earth « nearby.org.uk blog
Historical Mapping High Resolution Historical OS Maps now in OSM | Suprageography Old Maps Francis Frith Ordnance Survey Maps National Library of Scotland