Sources and Resources of 20th Century Design, The International Design Conference in Aspen. Affiche, PHI-W-000000000250. Philemone, version publique 1, publiée le 2026-10-10. https://philemone.com/affiches/PHI-W-000000000250/sources-and-resources-of-20th-century-design-the-international-design-conference-in-aspen (consulté le 2026-10-29).