Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://aaslh.org/detroits-island-jewel-a-tour-of-belle-isle-park/
https://www.flickr.com/photos/olmsted_archives/albums/72157638290836244/
https://www.nps.gov/places/belle-isle-park.htm
https://www.belleisleconservancy.org/about-belle-isle