Pitts, Marianne and Boyns, Trevor (2011) Accounting and economic returns in British coal mining : the Carlton Main colliery, 1872–1909. Business History, Vol.53 (No.6). pp. 917-938. doi:10.1080/00076791.2011.582578
Pitts, Marianne (2001) In praise of the "other" William Armstrong : a nineteenth century British engineer and early management consultant. Accounting History, Vol.6 (No.2). pp. 33-58. doi:10.1177/103237320100600203