(en-US) « JOSEPH URBAN DIES; VERSATILE ARTIST; Won Fame as Architect, Stage Set Designer, Bridge Builder, World's Fair Decorator. k. AIDED OPERA AND 'FOLLIES' Landscaped Gardens, Built Country Villas and Furnished Themu- Long Celebrated in Europe. », The New York Times, (ISSN0362-4331, lire en ligne, consulté le )
nytimes.com
(en-US) « JOSEPH URBAN DIES; VERSATILE ARTIST; Won Fame as Architect, Stage Set Designer, Bridge Builder, World's Fair Decorator. k. AIDED OPERA AND 'FOLLIES' Landscaped Gardens, Built Country Villas and Furnished Themu- Long Celebrated in Europe. », The New York Times, (ISSN0362-4331, lire en ligne, consulté le )