The Book That Spread New York's Subway Graffiti Around the World - Bloomberg
There Was Once a Fleet of White Subway Cars in NYC - Untapped New York
Clean Trains - 99% Invisible
Clean Trains - 99% Invisible
Clean Trains - 99% Invisible
NYC subways get more graffiti hits
Subway Graffiti Is on the Rise in New York City
Summer Guide - A History of Graffiti in Its Own Words -- New York Magazine - Nymag
Graffiti Legend Lee Quiñones on the Golden Age of Street Art | Contemporary Art | Sotheby's
Societies | Free Full-Text | Graffiti and Street Art between Ephemerality and Making Visible the Culture and Heritage in Cities: Insight at International Level and in Bucharest | HTML
History of the New York City Subway - Wikipedia
More Graffiti on Subway Cars Spark Security Concern for NYC Transit System – NBC New York
Graffiti Honors Motorman Killed in Harlem Subway Fire
See an Incredible Exhibit of Graffiti-Tagged NYC Subway Trains from the '70s and '80s - Untapped New York
Trains
Rising graffiti on New York City subway cars
NYC subways get more graffiti hits
nycsubway.org: R-110 New Technology Test Program
Photos Show How NYC's Subways Have Changed Over the Years
R32 (New York City Subway car) - Wikipedia
NYC's Subway Should Be Full of Hoverboards Instead - The Atlantic
Historical photos show more than 100 years of navigating the New York transit system | Lifestyles | hanfordsentinel.com
Subway Art: a window to New York's graffiti scene in the 70s and 80s – in pictures | Books | The Guardian
