Columbia subject headings:
Tobacco industry--Colombia--Boyacá.
Tobacco--Colombia--Boyacá.
Harvard subject headings:
Agricultural laborers--Colombia--Boyacá (Department)
Farm tenancy--Colombia--Boyacá (Department)
Tobacco workers--Colombia--Boyacá (Department)
Tobacco--Colombia--Boyacá (Department)
Tobacco--Colombia--Boyacá.
Princeton subject headings:
Land tenure--Colombia--Boyacá.
Tobacco industry--Colombia--Boyacá.
Tobacco--Colombia--Boyacá.