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"cerulean blue". Cameo.mfa.org. Material name. Boston, MA: Museum of Fine Arts. Archived from the original on 3 February 2009. Retrieved 20 November 2017.
paintmaking.com
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Patterson, Steven. 2020. "The history of blue pigments in the Fine Arts — painting, from the perspective of a paint maker". Journal & Proceedings of the Royal Society of New South Wales 153:164-179. https://royalsoc.org.au/images/pdf/journal/153-2-04Patterson.pdf . 172.
web.archive.org
"cerulean blue". Cameo.mfa.org. Material name. Boston, MA: Museum of Fine Arts. Archived from the original on 3 February 2009. Retrieved 20 November 2017.
"Blue". Paintmaking. Archived from the original on 3 March 2016. Retrieved 20 November 2017.