I need a little help, if someone can. I am looking for addresses of old film production companies. I thought it would be very easy to find but it is not at all. Example: in which city was located the producing company of Ingmar Bergman's «Nuit des forains»? Most of the databases will specify the filming location, but not the address of the producer. Any advise would be welcome. Thanks.

                        Germain Lacasse, film historian.

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