I have come across many sources while researching background notes for walks, the most frequently consulted are below. If you think I have used your sources and inadequately acknowledged them please inform me so I can correct that. Equally, please email me if you discover a link is out of date so I can correct it. I am always interested in new sources. The links in blue have access to maps with walking.
LINKS · MAPS · BOOKS· WALK WEBSITES
You may have to persevere with some of these links to get what you want. Some of the maps may have an imprecise date.
For developing walks, Ordnance Survey Explorer series (2½ ins to 1 mile) is ideal as it includes rights of way. An online version without gaps is available in Bing Maps (Seamless transition between OS style, AZ style and satellite images). Openstreetmap is invaluable for showing all the footpaths whereas Google maps is useful for when you get lost!
Leaflets of walk maps are available from libraries or web sites, including Wandle Trail, Pymmes Brook Trail, Dollis Valley Green Walk etc. And noticeboards with maps and historical information in areas of interest can be photographed and used at home.
The following books have been a source of inspiration.
Many civic societies and walking organisations publish their own walks. The following are also extremely useful: