Marie-Louise Langlais has produced an online book that is free to all about the music and life of the French organist composer Jean Langlais. It is a wonderful treatise of the Langlais and contains new pictures and some new things regarding his life and work.

For those who have an interest in Langlais, it is a marvelous resource. Marie-Louise has made it online and free to all. The book is divided into chapters and each chapter is a pdf.

https://www.agohq.org/jean-langlais-remembered-by-marie-louise-langlais/