Columbia subject headings:
Explorers in literature--Congresses.
Geographical discoveries in literature--Congresses.
German literature--History and criticism--Congresses.
Scientific expeditions in literature--Congresses.
Travel in literature--Congresses.
Harvard subject headings:
Explorers in literature--Congresses.
Geographical discoveries in literature--Congresses.
German literature--History and criticism--Congresses
German literature--Themes, motives--Congresses.
Scientific expeditions in literature--Congresses.
Travel in literature--Congresses.
Princeton subject headings:
Explorers in literature--Congresses.
Geographical discoveries in literature--Congresses.
German literature--History and criticism--Congresses.
Scientific expeditions--In literature--Congresses.
Travel in literature--Congresses.