"Rubery and Co". Grace's Guide to British Industrial History. Grace's Guide. Archived from the original on 18 September 2020. Retrieved 2 January 2022.
"Rubery, Owen and Co". Grace's Guide to British Industrial History. Grace's Guide. Archived from the original on 2 March 2021. Retrieved 2 January 2022.
web.archive.org
"Rubery and Co". Grace's Guide to British Industrial History. Grace's Guide. Archived from the original on 18 September 2020. Retrieved 2 January 2022.
"Rubery, Owen and Co". Grace's Guide to British Industrial History. Grace's Guide. Archived from the original on 2 March 2021. Retrieved 2 January 2022.
