The overlays that highlight 17th century London features are approximate and derived from:
Open location in Google Maps: 51.513177, -0.094648
CGS • Link
'wats' left of Samuell's Watling street London
Wat[ling] Street runs out of St Paul's Church Yard off the right edge of the map
Then [Watl]ing runs on east to Budge Row
Chart showing the number of references in each month of the diary’s entries.