- See if adding matrixes not released to the recordings https://gramophonecompanydiscography.com/search?query=YVETTE%20GUILBERT - http://www.dutempsdescerisesauxfeuillesmortes.net/fiches_bio/guilbert_yvette/guilbert_yvette_enregistrements.htm https://www.phonobase.org/search?type=narrow&Titre=&Compositeurs=&Interpretes=yvette&Lieudeqa=&Date=&Instruments=&Marque=&Format=&Comcont=&Support=&Ville=&Catalogue=&Vitesse= Be careful, many recordings credited to Yvette Guilbert are in fact from Madame Rollini