Johnson's Building 2010
Johnsons Building NSW Heritage & Conservation Register
Johnson's Building NSW Office of Environment & Heritage
Johnson's Corner Conservation Management Plan www.baseline.nsw.gov.au
The Story of Old George Street A Chapter in Old George Street by Charles H. Bertie
George St North Commercial Heritage Precinct
George St North Metcalfe Heritage Precinct
George Street North Heritage Walk www.VisitSydneyAustralia.com
George Street South Heritage Walk www.VisitSydneyAustralia.com
George Street Quarry www.VisitSydneyAustralia.com
George Street Wikipedia.org
NSW Office of Environment & Heritage
Dictionary of Sydney
State Library of NSW