All of malicorne's albums are or have been on CD; I've got 'em all. There are also two compilation CDs.

The best overall source for French trad songs is a set that is a 920 page harcdcover book and a 15 CD box set by some of the greatest French revival artists: Yacoub, Catherine Perrier, Evelyne Girardon, Jean Francois Dutertre, Jan-Loup Baly, etc, etc. Basically, members of all the groups John P recommended above. Book has melodies, chords and words (Chords have their solfege names, like "re" or "lam").

Title: Anthologie de la Chanson Francaise: La Tradition
Edited by Marc Robine

editions Albin Michel & EPM Musique.

It cost me almost three hundred bucks, but it was worth it!