Patrimoine écrit, graphique et sonore en Occitanie

https://palanca.occitanielivre.fr/fr/patrimoine/oll/page/14-18/6158d0d1-6479-3341-bbee-948364054462,crl,list,1,?coverages%5B0%5D=FRANCE%20%28pays%29%20-%20HAUTS-DE-FRANCE%20%28r%C3%A9gion%20administrative%29%20-%20PICARDIE%20%28ancienne%20r%C3%A9gion%20administrative%29%20-%20AISNE%20%28d%C3%A9partement%29%20-%20MERCIN-ET-VAUX%20%28village%29%20-%20&subjects%5B0%5D=RESEAU%20FERROVIAIRE