Forster, A. M., Vettese‐Forster, S., & Borland, J. (2012). Evaluating the cultural significance of historic graffiti. Structural survey, 30(1), 43-64. https://doi.org/10.1108/02630801211226637
Graffiti, both ancient and contemporary, could be argued to be significant and therefore worthy of protection. Attaching value is, however, subjective with no specific...