The writing of all volumes of the study LA NAISSANCE DE CHARLOT was facilitated by the kindly help provided by the following institutions and companies :
- Archives Françaises Du Film - Cnc, Bois D’arcy (Michelle Auber, Laurent Bismuth, Daniel Brémaud, Jocelyne Cartier-Stérin, Jean-louis Cot, Daniel Courbet, Daniel Fromont, Eric Le Roy, Robert Poupard)
- academy of motion picture art and sciences (Academy Film Archive; Margaret Herrick Library), Los Angeles (warren M. Sherk; Brian Meachan)
- Arhiva Nationala de Filme, Bucarest (Bujor T. Ripeanu, Dinu Ioan Nicula)
- Association Chaplin / ROY EXPORT S.A.S. Paris (Kate Guyonvarch, Claire Byrski)
- Bibliotheque Nationale De France, Paris.
- British Film Institute, Londres (Clyde Jeavons, Alisson Strauss, Rod Molinare, Kathleen Dickson, Kieron Webb, Sean Delaney)
- Chaplin Archiv, Francfort (Wilhem Staudinger)
- Cinematheque Française, Paris (Dominique Païni, Bernard Benoliel, Alberto Del Fabro, Gaëlle Vidalie, Laure Bouissou) + BiFi (Sophie Hébert ; Personnels de la Bibliothèque du Film )
- Cinematheque Royale, Bruxelles (Gabrielle Claes, Anke Van den Bremt, Erik Martens, Mauren Lemaire, Patricia Van Belle)
- Cinematheque Suisse, Lausanne (Bernard Uhlmann)
- Cineteca Del Friuli, Gemona (Livio Jacob)
- Cineteca Del Comune Di Bologna, Bologne (Cecilia Cenciarelli, Marianna Desanctis, Anna Fiaccarini, Davide Pozzi)
- Circulo Cultural Del Cine, Buenos Aires (Enrique J. Bouchard)
- Connaissance du Cinema, Paris (Catherine Gaborit)
- Det Danske Filminstitut, Copenhague (Thomas Christensen)
- Fiaf, Bruxelles (Christian Dimitriu)
- Filmmuseum, Amsterdam (Rommy Albers, Ronny Temme)
- Filmoteca española, Madrid (José Maria Prado, Catherine Gautier)
- Gosfilmfond of Russia, Russia (Vladimir Dmitriev, Valery Bossenko)
- Library of Congress, Washington (Rosemary Hanes, Frank Wylie, Kenneth Weissman)
- Lobster Films, Paris (Serge Bromberg, Eric Lange)
- Musee du Cinema Forain, Chadurie (René Charles)
- Museum of Modern Art-Film Department, New York (Edith M. Prendergast ; Brian Coffey)
- Narodni Filmovy Archiv, Prague (Vladimir Opela)
- Norsk Filminstitutt / Nasjonalbiblioteket, Oslo (Håvard Oppøyen)
- Riksarkivet (Archives Nationales), Stockholm, Suède (Roger Munch)
- Suomen Elokuva-Akisto, Helsinki (Matti Lukkarila, Juha Kindberg)
- Ucla Film And Television Archives, Los Angeles (Ross Lipman, Todd Wiener)
- Wisconsin State Historical Society, Madison (Harold L. Miller)
Also my gratitude to the following persons :
Bo Berglund, Eileen Bowser, Claire Byrski, Fred Coiffard, Jean-Jacques Couderc, Georges D’Acunto, Isabelle Delest, Dominique Dugros, Pascal Dulac, Ethel Ephron, Madeline F. Matz, Harry M. Geduld, Paul E. Gierucki, Murray Glass, Meredith Gully, Kate Guyonvarch, Kris Lipkowsky, Esther Lori, Hooman Mehran, Juliette Michaud, Glenn Mitchell, Raymond Neveu, Vincent Pinel, Mariange Lapeysonnie (Ramozzi-Doreau), Aurelien Rimbaud-Moreau, Andrian Ratoejanahary, Yitzhak Sichem, Marilyn Slater, Lisa Stein, Doug Sulpy, Konstantin Soukhodolets, Jeffrey Vance, Linda Wada, et Robert Wilham.