SignalMasters Cottage 2010
Fort Phillip Signal Station NSW Office of Environment & Heritage
Messenger's Cottage For Fort Phillip Signal Station NSW Office of Environment & Heritage
History of Observatory Park www.CityOfSydney.nsw.gov.au
Observatory Hill Park www.CityOfSydney.nsw.gov.au
Site Investigations - Observatory Hill www.TeachingHeritage.nsw.edu.au
Observatory Park, Sydney Wikipedia.org
Millers Point Dictionary of Sydney
NSW Office of Environment & Heritage
Dictionary of Sydney
State Library of NSW