| Reference |
H. Brett, J.H. Townsend, R.R. Jones, J.J. Boon and K. Keune: I can see no vermilion in flesh': Sir Joushua Reynolds' portraits of Francis Beckford and Suzanna Beckford 1755-1756 In: Studying old master painitings : technology and practice : proceedings of the 30th anniversary of the National Gallery Technical Bulletin, Sept. 2009, London /ed. M. Spring, Architype Publications, 2011. - pp. 201-208 |
