This is in a rough chronological order. Alas some are out of print but good hunting on the internet will produce results.
Good reference Good read In French
Decouvertes (Gallimard Series) Various
Screening Europe Duncan Retrie
The Great French Films James Reid Paris
Histoire du cinéma français Jean-Pierre Jeancolas
Guide des Films (two volumes in French) Jacques Lourcelles
French Film Texts Susan Hayward and Ginette Vincendeau
Le Cinéma français Jacques Sicilier
The French through their films Robin Russ
Cinema et Revolution Rayond Lefevre
French National Cinema (writing) Susan Hayward
The Virgin International Encyclopedia of Film James Monaco
The Virgin International FIlm Guide James Monaco
Republic of Images – A history of French Filmmaking Alan Williams
A biographical Dictionary of the Cinema David Robinson
What is Cinema? André Bazin
French Cinema- The First Wave 1915-29** Richard Abel
Georges Melies David Robnson
The Ciné Goes to Town, French Cinema 1896-1914 Richard Abel
Auguste et Louis Lumière Jacques Rittaud-Hutinet
French Film Theory and Criticicm 1907-1939 Richard Abel
Pierre Braumberger-Producteur Jacques Gerber
Napoleon Abel Gance
Napoleon Jacques Bertoin
Le cinéma et moi Sacha Guitry
Jean Giono et le cinéma Jacques Meny French
Masterworks of the French Cinema, Italian Straw hat, La Ronde, Wages of Fear Various
René Clair ou le temps mesuré Olivier Barrot
The Golden Age of French Cinema 1929-1939 John W.Martin
Jean Vigo by P E Salles Gomes
Jean Renoir Andre Bazin
‘My Life And My Films’ by Jean Renoir .(Da Capo Press, New York).
Jacques Prevert Claire Blakeway
Jean Renoir Ronald Bergen
Renoir on Renoir Jean Renoir
Mists of Regret, Culture and sensibility in classic French film Dudley Andrew
La vie est a nous– French Cinema 1935-38 Ginette Vincendeau/Keith Reader
Cinema Engage – The Film in the Popular Front Jonathan Buchsbaum
Les Films de Carné Michel Perez
Pépé le Moko Ginette Vincendeau
Child of Paradise-Marcel Carné and the Golden Age of French Cinema Edward Baron Tork
Jean Cocteau and his films of Orphic Identity Arthur B.Evans
Jean Cocteau, The Art of Cinema Marion Boyers
The Classic French Cinema 1930-60 Colin Crisp
The Films of Jacques Tati Michel Chion
Jacques Tati David Bellos
Le cinéma français sous l’occupation René Chateau
Robert Bresson, l’aventure intérieure René Prédal
European Cinema 1939-1960 Pierre Sorlin
Robert Bresson Michel Esteve
Cinema of Paradox-Filming under the occupation Evelyn Erlich
Nationalism and Cinema in France – Hugo Frey