British History - Digswell Parish: 
https://www.british-history.ac.uk/vch/herts/vol3/pp81-85 

Digswell Residents Association: 
https://www.digswellra.org.uk 

Digswell Village News -Facebook: 
https://www.facebook.com/DigswellVillageNews 

Digswell on Wikipedia: 
https://en.wikipedia.org/wiki/Digswell