Columbia subject headings:
Civilization, Celtic--Fiction.
Civilization, Medieval--Fiction.
Ireland--Civilization.
Monastic and religious life--Ireland--History--Middle Ages, 600-1500--Fiction.
Monastic and religious life--Ireland--History--Middle Ages, 600-1500.
Skellig Islands (Ireland)--Antiquities.
Skellig Islands (Ireland)--History--Fiction.
Skellig Michael (Monastery : Ireland)--History--Fiction.
Harvard subject headings:
Civilization, Celtic
Civilization, Celtic--Fiction.
Civilization, Medieval--Fiction.
Ireland--Civilization.
Middle Ages--Fiction
Monastic and religious life--Fiction.
Monastic and religious life--Ireland--History--Middle Ages, 600-1500--Fiction.
Monastic and religious life--Ireland--History--Middle Ages, 600-1500.
Skellig Islands (Ireland)--Antiquities.
Skellig Islands (Ireland)--Fiction.
Skellig Islands (Ireland)--History--Fiction.
Skellig Michael (Monastery : Ireland)--Fiction.
Skellig Michael (Monastery : Ireland)--History--Fiction.
Princeton subject headings:
Civilization, Celtic--Fiction.
Civilization, Medieval--Fiction.
Ireland--Civilization.
Monastic and religious life--Ireland--History--Middle Ages, 600-1500--Fiction.
Monastic and religious life--Ireland--History--Middle Ages, 600-1500.
Skellig Islands (Ireland)--Antiquities.
Skellig Islands (Ireland)--History--Fiction.
Skellig Michael (Monastery : Ireland)--History--Fiction.