1. The lost portrait of Robert Hooke?
2. Griffing L.(2020b).The mystery of the missing portrait of Robert Hooke 17th century scientist extraordinaire.https://theconversation.com/the-mystery-of-the-missing-portrait-of-robert-hooke-17th-century-scientist-extraordinaire-141681
3. Mould P.(2019).Portrait of a Mathematician by Mary Beale. Philip Mould & Company.http://www.historicalportraits.com/Gallery.asp?Page=Item&ItemID=126&Desc=Portrait-of-a-mathematician-%7C-Mary-Beale
4. Kip J.(1707).Lowther in the County of Westmorland the seat of the Rt. Hon.The Lord Viscount Lonsdale. In collaboration with Leonard Knyff. Coloured engraving.https://artcollection.culture.gov.uk/artwork/11825/