I ran across another good download while looking for more details of a plan in Hewett's "English Historic Carpentry".
Fig 42 and the surrounding text related to this thread;

http://ads.ahds.ac.uk/catalogue/adsdata/arch-769-1/ahds/dissemination/pdf/vol10/10_089_112.pdf

Just for fun, I came across this story of Maid Marian while looking for Priory Place;
http://mspong.org/picturesque/little_dunmow.html