Columbia subject headings:
Quarries and quarrying, Prehistoric--Europe--Congresses.
Quarries and quarrying, Prehistoric--Middle East--Congresses.
Stone industry and trade--Europe--History--Congresses.
Stone industry and trade--Middle East--History--Congresses.
Harvard subject headings:
Quarries and quarrying--Europe--History--Congresses.
Quarries and quarrying--Middle East--History--Congresses.
Stone industry and trade--Europe--History--Congresses.
Stone industry and trade--Middle East--History--Congresses.
Princeton subject headings:
Quarries and quarrying, Prehistoric--Europe--Congresses.
Quarries and quarrying, Prehistoric--Middle East--Congresses.
Quarries and quarrying--Europe--History--Congresses.
Quarries and quarrying--Middle East--History--Congresses.
Stone industry and trade--Europe--History--Congresses.
Stone industry and trade--Middle East--History--Congresses.