Patrimoine écrit, graphique et sonore en Occitanie

https://palanca.occitanielivre.fr/en/patrimoine/oll/mosaic?creatorNames%5B0%5D=Congr%C3%A8s%20national%20des%20soci%C3%A9t%C3%A9s%20savantes&endpoint=crl&publishers%5B0%5D=Impr.%20Jemmapes%20%28Paris%29&viewableDates%5B0%5D=1953