Taking the Train: How Graffiti Art Became an Urban Crisis in New York City [Book]

In the 1960s and early 1970s, young people in New York City radically altered the tradition of writing their initials on neighborhood walls. Influenced by the widespread use of famous names on billboards, in neon, in magazines, newspapers, and typographies from advertising and comics, city youth created a new form of expression built around elaborately designed names and initials displayed on public walls, vehicles, and subways.

Refreshing an Old Mural With a New Dog and Cat - The New York Times

New York City - Urban Planning, Density, Diversity

RE:NEW YORK CITY Center for an Urban Future (CUF)

Banksy - Wikipedia

Is urban graffiti a force for good or evil?, Cities

How Chelsea Became the Unlikely Center of the Art World - The New

Graffiti: Preserving New York's History of Street Art

How Chelsea Became the Unlikely Center of the Art World - The New York Times

Approaching a City: Hopper and New York

12 Iconic Graffiti Art Murals That Will Make You Stop