Columbia subject headings:
Capitalism--Jamaica.
Socialism--Cuba.
Sugarcane industry--Technological innovations--Cuba.
Sugarcane industry--Technological innovations--Jamaica.
Sugarcane--Harvesting--Machinery.
Harvard subject headings:
Capitalism--Jamaica.
Socialism--Cuba.
Sugarcane harvesting machinery.
Sugarcane industry--Technological innovations--Cuba.
Sugarcane industry--Technological innovations--Jamaica.
Princeton subject headings:
Agricultural innovations--Cuba.
Agricultural innovations--Jamaica.
Sugarcane--Cuba--Harvesting.
Sugarcane--Jamaica--Harvesting.