1. Love To Know: Beauty & Fashion History of Mascara http://tintdallasmakeupcosmetologyschool.com/the‐history‐of‐mascara/(2019).
2. History of Cosmetics History of Mascara ‐ Invention of the Mascara http://www.historyofcosmetics.net/history‐of‐makeup/history‐of‐mascara/(2019).
3. Aleteia The fascinating spiritual origins of mascara https://aleteia.org/2017/10/27/the‐spiritual‐origins‐of‐mascara/(2019).
4. Wikipedia Victoria‐era cosmetics.https://en.wikipedia.org/wiki/Victorianera_cosmetics(2019).
5. R.A.Chesebrough Improvement in products from petroleum US Patent 127568 assigned to R.A. Chesebrough (1872).