Columbia subject headings:
French language--Grammar.
French language--Readers--Science.
French language--Readers--Technology.
Harvard subject headings:
French language--Grammar.
French language--Readers--Science.
French language--Readers--Technology.
Princeton subject headings:
French language--Grammar--1870-.
French language--Grammar--1950-.
French language--Readers--Science.
French language--Readers--Technology.