@book{1219, keywords = {Central business districts Conservation and restoration Ontario Ingersoll, Historic buildings Conservation and restoration Ontario Ingersoll, Historic buildings Ontario Ingersoll}, author = {George Penfold}, title = {Options for heritage conservation in Ingersoll: Technical series (University of Guelph. University School of Rural Planning and Development) ; TSC-124}, year = {1988}, publisher = {University School of Rural Planning and Development, University of Guelph}, address = {Guelph, Ont.}, isbn = {0889551219}, }