Columbia subject headings:
Harvard subject headings:
German language--Grammar, Comparative--Italian.
German language--Spoken German.
German language--Technical German.
Italian language--Grammar, Comparative--German.
Italian language--Spoken Italian.
Italian language--Technical Italian.
Princeton subject headings:
German language--Grammar, Comparative--Italian.
German language--Spoken German.
German language--Technical German.
Italian language--Grammar, Comparative--German.
Italian language--Spoken Italian.
Italian language--Technical Italian.