arrival of the MetroCard and machines that allowed people to buy them by credit card. Secrets of NYC’s vintage subway cars. amNewYork. 2016-06-08 [2016-08-19]
Community Jealous of Its Open Space. The NewYork Times. 1998-03-01 [2012-02-10]. (原始内容存档于2021-04-17). NewYorkMetro: 6 Affordable Neighborhoods. Nymag.com