Columbia subject headings:
Glass manufacture--Early works to 1800.
Jean, d'Outremeuse, 1338-approximately 1399.
Precious stones, Artificial--Early works to 1800.
Precious stones--Early works to 1800.
Harvard subject headings:
Glass manufacture--Early works to 1800.
Jean, d'Outremeuse, 1338-approximately 1399.
Precious stones, Artificial--Early works to 1800.
Precious stones--Early works to 1800
Princeton subject headings:
Glass manufacture--Early works to 1800.
Jean, d'Outremeuse, 1338-approximately 1399.
Precious stones, Artificial--Early works to 1800.
Precious stones--Early works to 1800.