Columbia subject headings:
Ballet--Sweden--History--18th century--Congresses.
Gustav III, King of Sweden, 1746-1792--Art patronage--Congresses.
Opera--Sweden--Congresses.
Theater--Sweden--History--18th century--Congresses.
Harvard subject headings:
Ballet--Sweden--Congresses.
Gustav III, King of Sweden, 1746-1792--Congresses.
Opera--Sweden--Congresses.
Sweden--History--Gustav III, 1771-1792.
Theater--Sweden--Congresses.
Princeton subject headings:
Dance--Sweden--History--18th century.
Opera--Sweden--18th century.
Sweden--History--Gustav III, 1771-1792.
Theater--Sweden--History--18th century.