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« https://upcommons.upc.edu/bitstream/handle/2117/108876/CyT_Aprendiendo+de+Manhattan_an%C3%B3nimo_vdef+dic+2016-1.pdf

« https://oa.upm.es/70289/1/TFG_Enero22_Jimenez_Perez_Andrea.pdf

« http://132.248.9.195/ptd2013/noviembre/0706182/0706182.pdf

« https://www.ejrcf.or.jp/jrtr/jrtr23/pdf/F14_Derrick.pdf

« https://www.politesi.polimi.it/retrieve/df90f35f-1f14-49f8-a3e0-4d2590e57f9d/Thesis%2C%20Mahmoodabadi%20Arani%2C%20High%20Line%20in%20NYC.pdf

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« https://blogs.loc.gov/maps/2022/05/what-goes-up-must-come-down-a-brief-history-of-new-york-citys-elevated-rail-and-subway-lines/

« https://www.sciencedirect.com/science/article/pii/S1077291X24000134