Columbia subject headings:
Harvard subject headings:
Hertfordshire (England)--Genealogy.
Names, Personal--England--Hertfordshire.
Tax assessment--England--Hertfordshire--History--14th century--Registers.
Tax assessment--England--Hertfordshire--History--14th century--Sources.
Princeton subject headings:
Hertfordshire (England)--Genealogy.
Hertfordshire (England)--History--Sources.
Hertfordshire (England)--Registers.
Taxation--England--Hertfordshire--Lists.