Columbia subject headings:
Bowen, Ernest.
Printing industry--Employees--Labor unions--Guyana--History.
Printing industry--Employees--Labor unions--Trinidad and Tobago--Trinidad--History.
Printing industry--Guyana--History.
Printing industry--Trinidad and Tobago--Trinidad--History.
Harvard subject headings:
Bowen, Ernest.
Printing industry--Employees--Labor unions--Guyana--History.
Printing industry--Employees--Labor unions--Trinidad and Tobago--Trinidad--History.
Printing industry--Employees--Labor unions--Trinidad--History.
Printing industry--Guyana--History.
Printing industry--Trinidad and Tobago--Trinidad--History.
Printing industry--Trinidad--History.
Princeton subject headings:
Bowen, Ernest--Interviews.
Facsimiles.
Labor movement--Guyana.
Labor movement--Trinidad and Tobago.
Printing industry--Employees--Labor unions--Guyana.
Printing industry--Employees--Labor unions--Trinidad and Tobago.