Gibbs and Canning Limited

（原始内容存档于2016-03-29）.  Research page including details of many buildings that used Gibbs and Canning terracotta （页面存档备份，存于互联网档案馆） accessed 25 March 2012 Pru of Britain

Democrats supported the resolution 48–4, and Republicans opposed it 33–0. National Relations Board v. Noel Canning et al (PDF): 34, 35. [2017-07-02]. （原始内容存档