Remember Belgium. Buy Bonds Fourth Liberty Loan — c. 1918. Édition, PHI-E-000000001443. Philemone, version publique 1, publiée le 2026-10-10. https://philemone.com/editions/PHI-E-000000001443/remember-belgium-buy-bonds-fourth-liberty-loan-c-1918 (consulté le 2026-11-01).