Northumberland Insurance Building 2010
Northumberland Insurance Building 2010
Former Northumberland Insurance Building including interiors NSW Office of Environment and Heritage
Northumberland Insurance Building circa 1885 www.flickr.com
Bridge Street Heritage Walk VisitSydneyAustralia.com.au
Bridge Street Wikipedia.com
A bridge in Bridge Street HistoryNotesSite.wordpress.com
NSW Office of Environment & Heritage
Dictionary of Sydney
State Library of NSW