Notes
- Hall, E. H., A Guide to the Cathedral Church of Saint John the Divine in the City of New York, The Cathedral Church of Saint John the Divine, New York (1965).
- Dolkart, A. S., Morningside Height, A history of its architecture and development, Columbia University Press, New York (1998).
- LeMire, J., Ortega, R., and Siemaszko, C., ‘Five-Alarmer at Cathedral’, New York Daily News, 19 December 2001, p. 3.
- There are numerous published texts on masonry cleaning. One comprehensive resource is Ashurst, N., Cleaning Historic Buildings: Vol. 1. Substrates, soiling and investigations; Vol. 2. Cleaning materials and processes, Donhead Publishing, London (1994).
- Winkler, E. M., Stone: properties, durability in man's environment, Springer-Verlag, New York (1975).
- Proprietary and non-proprietary low pressure abrasive systems were tested. Proprietary systems included Façade Gommage® and Sponge-Jet.
- Proprietary product used was Arte Mundit® with an EDTA additive, manufactured by FTB Restoration.
- Kavenagh, C. and Wheeler, G., ‘Evaluation of Cleaning Methods for the Exterior Brick at the Brooklyn Historical Society’, Journal of the American Institute for Conservation, Vol. 42, 2003, pp. 97–112.