Source: https://www.amazon.com/Howard-Hodgkin-Forty-Paintings-1973-84/dp/0854880631/ref=as_li_ss_il?s=books&ie=UTF8&qid=1490054350&sr=1-5&keywords=Howard+Hodgkin&linkCode=li3&tag=widewalls-20&linkId=86b7d06097ec2ca783ae7b3a67742ab4