NPG 3 (2b)
Letter from William Wilberforce to Sir Thomas Lawrence, dated 26 July 1828, arranging to sit for his portrait.
& knock at your door between 11& 12, if either then or at any time before 2 o clock you should be able to give me an hour or two, I should be much obliged to you. I was interrupted when about to dispatch my note at an earlier Hour, but I am told it will still reach you tonight. As London must now be almost empty it is just possible that with the kind disposition you always shew to consult my convenience