- eBookHertfordshireAnne Rowe
- eBookThe Origins of HertfordshireTom Williamson
- eBookRethinking Ancient WoodlandGerry Barnes
- eBookEnglish OrchardsGerry Barnes
- eBookTrees in EnglandGerry Barnes
- eBookSeri: Studies in Regional and Local HistoryCelia Cordle
- eBookDury and Andrews’ Map of HertfordshireAndrew Macnair