- EbookHertfordshireAnne Rowe
- EbookThe Origins of HertfordshireTom Williamson
- EbookRethinking Ancient WoodlandGerry Barnes
- EbookTrees in EnglandGerry Barnes
- EbookSeries: Studies in Regional and Local HistoryCelia Cordle
- EbookEnglish OrchardsGerry Barnes
- EbookDury and Andrews’ Map of HertfordshireAndrew Macnair