Columbia subject headings:
Harvard subject headings:
Calvertt, John Simpson, 1829-1900.
Farm life--England--Oxfordshire--History--19th century--Sources.
Farmers--England--Oxfordshire--Diaries.
Princeton subject headings:
Agriculture--Economic aspects--England--Oxfordshire--History--19th century.
Agriculture--England--Oxfordshire--History--Sources.
Calvertt, John Simpson, 1829-1900.
Oxfordshire (England)--History--Sources.