Structurae: John Job Crew Bradfield - Information on the designer of the Sydney Harbour Bridge. - http://www.structurae.de/en/people/data/des0187.php
Bradfield, John Job Crew - Features career highlights and related links. - http://www.asap.unimelb.edu.au/bsparcs/biogs/P000958b.htm
Papers of J.C. Bradfield - Scope and contents of this collection held at the National Library of Australia. Also contains a biographical note. - http://www.nla.gov.au/ms/findaids/4712.html