Mass Observation saw graffiti as a form of expressive art
1993.83.01.23
1993.83.02.26
1993.83.02.28
1993.83.02.27
1993.83.09.06
1993.83.14.30
1993.83.18.34
1993.83.27.21
1993.83.27.20
1993.83.27.17