Columbia subject headings:
French language--Grammar, Comparative--German.
French language--Prepositions.
German language--Grammar, Comparative--French.
German language--Prepositions.
Harvard subject headings:
French language--Grammar, Comparative--German.
French language--Prepositions.
German language--Grammar, Comparative--French.
German language--Prepositions.
Princeton subject headings:
French language--Grammar, Comparative--German.
French language--Prepositions.
German language--Grammar, Comparative--French.
German language--Prepositions.