Columbia subject headings:
Harvard subject headings:
Constructivism (Philosophy)--Congresses.
German literature--Study and teaching--Congresses.
Literature--Study and teaching--Congresses
Reading--Congresses
Reading--Germany--Congresses.
Princeton subject headings:
Constructivism (Philosophy)--Congresses.
German literature--Study and teaching--Congresses.
Literature--Study and teaching--Congresses.
Reading--Congresses.
Reading--Germany--Congresses.