Columbia subject headings:
Harvard subject headings:
Biblioteca Nacional (Portugal)--Exhibitions.
Latin literature, Medieval and modern--Bibliography--Exhibitions.
Literature, Medieval--Bibliography--Exhibitions.
Manuscripts, Latin (Medieval and modern)--Portugal--Lisbon--Exhibitions.
Manuscripts, Portuguese--Portugal--Lisbon--Exhibitions.
Portuguese literature--To 1500--Bibliography--Exhibitions.
Princeton subject headings:
Asociación Hispánica de Literatura Medieval. Congreso (4th : 1991 : Lisbon, Portugal)
Biblioteca Nacional (Portugal)--Catalogs.
Manuscripts, Medieval--Portugal--Exhibitions.