Columbia subject headings:
Comparative literature--Italian and Spanish.
Comparative literature--Spanish and Italian.
Italian language--Grammar, Comparative--Spanish.
Spanish language--Grammar, Comparative--Italian.
Harvard subject headings:
Comparative literature--Italian and Spanish.
Comparative literature--Spanish and Italian.
Italian language--Grammar, Comparative--Spanish.
Spanish language--Grammar, Comparative--Italian.
Princeton subject headings:
Comparative literature--Italian and Spanish.
Comparative literature--Spanish and Italian.
Italian language--Grammar, Comparative--Spanish.
Spanish language--Grammar, Comparative--Italian.