National Trust Centre 2010
National Trust Centre www.NationalTrust.org.au
National Trust Centre www.SydneyArchitecture.com
S.H.Ervin Gallery www.SHErvinGallery.com.au
Upper Fort Street from Observatory Hill circa 1875/1880 (photo) Art Gallery of NSW
Upper Fort Street from Observatory Hill 1927 (photo) NSW State Archives
Upper Fort Street significant trees trees.CityOfSydney.nsw.gov.au
NSW Office of Environment & Heritage
Dictionary of Sydney
State Library of NSW