Columbia subject headings:
Harvard subject headings:
Communication--Congresses
Disguise in literature--Congresses.
Revelation in literature--Congresses.
Romance languages--Congresses.
Romance-language literature--Congresses.
Romance-language literature--History and criticism--Congresses.
Romance-language literature--Themes, motives--Congresses.
Secrecy in literature--Congresses.
Princeton subject headings:
Communication--Congresses.
Disguise in literature--Congresses.
Revelation in literature--Congresses.
Romance languages--Congresses.
Romance-language literature--History and criticism--Congresses.
Romance-language literature--Themes, motives--Congresses.