
one of Girtin's yellow drawings
remark of Turner to Chambers Hall, (before 1855); as cited in The Life of J. M. W. Turner R.A. , Walter Thornbury - A new Edition, Revised https://ia601807.us.archive.org/24/items/gri_33125004491185/gri_33125004491185.pdf; London Chatto & Windus, 1897, p. 61
undated quotes