I have been searching around again for downloadable books relevant to Bolton and found several on GOOGLE BOOKS. This one in particular A report of the sanatory condition of the borough of Bolton, in a letter By John Entwisle Published 1848 That book and some others are bookmarked here http://books.google.co.uk/books?as_labels=bolton&as_list=BDZWWhDsQla2S3JOgyo 9sGhQkHxpyuyGr8NDwwU5WOTdMrIpFfQ http://preview.tinyurl.com/2d7xrm I have previously mentioned there are a few on the Internet Archive also http://www.archive.org/bookmarks/J%20M%20Briscoe Martin Briscoe Fort William M&LFHS | Gwynedd FHS