Charola, A. Elena, Centeno, Silvia A., and Kyle C. Normandin. "The New York Public Library: Protective Treatment for Sugaring Marble." Journal of Architectural Conservation 16/2 (2010): 29-44.

Charola, A. Elena, Centeno, Silvia A., and Kyle C. Normandin. "The New York Public Library: Protective Treatment for Sugaring Marble." Journal of Architectural Conservation 16/2 (2010): 29-44.