Columbia subject headings:
French language--Middle French, 1300-1600--Grammar.
French language--Middle French, 1300-1600--Orthography and spelling.
Harvard subject headings:
French language--Middle French, 1300-1600--Grammar.
French language--Middle French, 1300-1600--Orthography and spelling.
Princeton subject headings:
French language--Grammar.
French language--Orthography and spelling.