These call numbers should help you browse the shelves.
034 Encyclopedias in French, etc.
054 Serials in French, etc.
064 Organizations in France
074 Newspapers in France
084 Collections in French
194 Philosophy of France
440 French & related languages
441 French writing systems
442 French etymology
443 French dictionaries
445 French grammar
447 French language variations
448 Standard French usage
840 French & related literature
944 France