Columbia subject headings:
Creative ability--Asia--Congresses.
Creative ability--Europe--Congresses.
Melancholy--Asia--Congresses.
Melancholy--Europe--Congresses.
Harvard subject headings:
Creative ability--Asia--Congresses.
Creative ability--Europe--Congresses.
Melancholy--Asia--Congresses.
Melancholy--Europe--Congresses.
Princeton subject headings:
Creative ability--Asia--Congresses.
Creative ability--Europe--Congresses.
Melancholy--Asia--Congresses.
Melancholy--Europe--Congresses.