Columbia subject headings:
Agriculture--England.
Harvard subject headings:
Agriculture--England--Early works to 1800.
Agriculture--England--Midlands--Early works to 1800.
Livestock--England--Leicestershire--Early works to 1800.
Midlands (England)--Agriculture--Early works to 1800.
Midlands (England)--Economic conditions--Early works to 1800.
Princeton subject headings:
Agriculture--England--Early works to 1800.
Agriculture--England--Midlands--Early works to 1800.
Livestock--England--Leicestershire--Early works to 1800.
Midlands (England)--Agriculture--Early works to 1800.
Midlands (England)--Economic conditions--Early works to 1800.