Columbia subject headings:
Harvard subject headings:
Education, Higher--Belgium--Liège--History--Pictorial works.
Research--Belgium--Liège--History.
Université de Liège--Anniversaries, etc.
Université de Liège--History--Pictorial works.
Princeton subject headings:
Education, Higher--Belgium--Liège--History--Pictorial works.
Université de Liège--History--Pictorial works.