Continuity: Virginio Ferrari, R.R. Donnelley and Sons Company Headquarters, Chicago, IL, USA, 1992. Sculpture dedication catalog (Continuity, 1962–1992).
Continuity: Virginio Ferrari, R.R. Donnelley and Sons Company Headquarters, Chicago, IL, USA, 1992. Sculpture dedication catalog (Continuity, 1962–1992).