Columbia subject headings:
Airports in literature--Congresses.
German literature--History and criticism--Congresses.
Hotels in literature--Congresses.
Harvard subject headings:
German literature--History and criticism--Congresses
Motion pictures--Plots, themes, etc.--Congresses.
Space in literature--Congresses.
Space in motion pictures--Congresses.
Princeton subject headings:
Airports in literature--Congresses.
German literature--History and criticism--Congresses.
Hotels in literature--Congresses.