Lecture and slideshow by Yoan Bruyère, master in history and Father Michel Savalli, parish priest of Tarascon: «The canons of Sainte Marthe; history of a royal institution». - Introduction to Chapters and Colleges: definition, origins, historiography. - Chapter structure. - The life of the chapter and the canons. - Relations in the chapter and with society. - 2 figures of canons: Joseph Clerc de Molières, Vincent de Paul Tarasconnais and Jean-Baptiste Reynaud, juror, insermenté, actor of the renewal of the Church after the Revolution.