Hi Robsig,
In 2010 I joined a guided tour of Pipe organs in the South of France organised by Michael Barone - well known through the Pipedreams weekly web broadcasts. 46 of the finest organs ranging from Marseille through Toulouse were visited. I have placed recordings I made of most of these instruments on Youtube at Southfrancepipedream. You will find each recording preceded by a number (1-46)
Our Toulouse based tour guide was Jean Claude Guirdarini who I am sure would be very helpful if you are able to contact him. He is, I believe, still active in the organisation of the annual Toulouse Organ Festival- which you can Google.
Cooky