Columbia subject headings:
Derry (Northern Ireland)--Antiquities.
Mechanical wear.
Mesolithic period--Great Britain.
Mount Sandel (Londonderry, Northern Ireland)
Prehistoric peoples--Great Britain--Tools.
Scarborough (England)--Antiquities.
Star Carr Site (England)
Stone implements--Great Britain.
Harvard subject headings:
England--Antiquities.
Ireland--Antiquities.
Mesolithic period--England.
Mesolithic period--Ireland.
Mesolithic period--Northern Ireland.
Mount Sandel Site (Northern Ireland)
Star Carr Site (England)
Princeton subject headings:
England--Antiquities.
Mesolithic period--England.
Mesolithic period--Northern Ireland.
Mount Sandel Site (Northern Ireland)
Northern Ireland--Antiquities.
Star Carr Site (England)
Stone implements--England.
Stone implements--Northern Ireland.