References
- Ball, J. 2016. The Heritage Portal. http://theheritageportal.co.za.
- de Solà-Morales Rubió, I. 1995. Terrain vague. In Davidson, C. (Ed.), Anyplace. New York, MIT Press.
- Friends of the High Line. 2010. High Line: The official Web site of the High Line and Friends of the High Line. http://www.thehighline.org/.
- Stiftung Zollverein 2016. Zollverein UNESCO World Heritage Site. http://www.zollverein.de/service/english-page.
- Way, T. 2015. The Landscape Architecture of Richard Haag, Seattle, WA, University of Washington Press.