Dickinson, James. “From Graffiti to Murals and Back Again: Philadelphia’s Spectacular Streetscape - DOI 10.5216 Vis.V10i1.23085”. Visualidades 10, no. 1 (March 14, 2013). Accessed October 6, 2026. https://teste.revistas.ufg.br/VISUAL/article/view/23085.