This appeared in The Sociology of Jewish Languages edited by Joshua A Fishman.
Leiden - E. J. Brill, 1985.

Below is a version of Had Gadya sung by Eliane Amado Levi-Valensi around 1972. Her family was from Salonica, but her husband was Max Amado, whose mother was a Bédarride from Carpentras. Provided by Peter Nahon.