Columbia subject headings:
Harbors--Port charges--Great Britain--Early works to 1800.
Impressment--Early works to 1800.
Ships--Great Britain--Manning--Early works to 1800.
Harvard subject headings:
Harbors--Great Britain--Port charges--Early works to 1800.
Harbors--Port charges--Great Britain--Early works to 1800.
Impressment--Early works to 1800.
Impressment--Great Britain--Early works to 1800.
Ships--Great Britain--Manning--Early works to 1800.
Princeton subject headings: