Columbia subject headings:
Harvard subject headings:
Quarries and quarrying--Belgium--Arquennes--History.
Stone industry and trade--Belgium--Arquennes--History.
Stone-cutters--Belgium--Arquennes--History.
Princeton subject headings:
Quarries and quarrying--Belgium--Arquennes--History.
Stone industry and trade--Belgium--Arquennes--History.
Stone-cutters--Belgium--Arquennes--History.