1859, John Ruskin, letter to Charles Eliot Norton dated 10 December, 1859, in Letters of John Ruskin and Charles Eliot Norton, Boston: Houghton Mifflin, 1904, Volume 1, p. 91,
I have your kind letter with Lowell’s—both quite aboundingly helpful to me.
1908, Henry James, letter to Edith Wharton dated 13 October, 1908, in Percy Lubbock (ed.), The Letters of Henry James, London: Macmillan, 1920, Volume 2, p. 108,
Believe meanwhile and always in the aboundingly tender friendship […] of yours more than ever, Henry James.