Companhiu dos caminhos de ferro portu gueses. Affiche, PHI-W-000000002161. Philemone, version publique 1, publiée le 2026-10-10. https://philemone.com/affiches/PHI-W-000000002161/companhiu-dos-caminhos-de-ferro-portu-gueses (consulté le 2026-10-30).