^Colquhoun, Kate (2003). A Thing in Disguise: The Visionary Life of Joseph Paxton. Fourth Estate. ISBN 0-00-714353-2.
^Herrmann, Wolfgang (1984). Gottfried Semper: In Search of Architecture. Cambridge, Massachusetts; London. ISBN 0-262-08144-X.{{cite book}}: CS1 maint: location missing publisher (link)