http://www.breakingnewground.org.uk/

http://www.uea.ac.uk/

http://publications.naturalengland.org.uk/publication/4282581

http://www.brecsoc.org.uk/

http://www.historic-maps.norfolk.gov.uk/

http://www.heritage.norfolk.gov.uk/

https://heritage.suffolk.gov.uk/

http://www.archives.norfolk.gov.uk/

https://www.suffolkarchives.co.uk/

http://www.nationalarchives.gov.uk/

http://maps.nls.uk/os/

http://www.oldmapsonline.org/

http://www.fadensmapofnorfolk.co.uk/

http://www.hodskinsonsmapofsuffolk.co.uk/

http://www.simonknott.co.uk/

http://www.lostheritage.org.uk/

http://www.visionofbritain.org.uk/

https://data.gov.uk/