Charles Dickens (1867). “Charles Dickens's works. Charles Dickens ed. [18 vols. of a 21 vol. set. Wanting A child's history of England; Christmas stories; The mystery of Edwin Drood].”, p.37
David Copperfield ch. 28 (1850). The Oxford Dictionary of Proverbs cites Peter Atall, Hermit in America (1819): "Accidents will happen in the best regulated families." See Robert Burns 3; Disraeli 7; Modern Proverbs 102; Orwell 17; Plautus 3; Proverbs 2; Sayings 25
Charles Dickens, Madeline House, Graham Storey (1974). “Letters: Edited by Madeline House & Graham Storey. Associate editors: W.J. Carlton [and others]”
Charles Dickens (1844). “The Life and Adventures of Martin Chuzzlewit, His Relatives, Friends and Enemies: Comprising All His Wills and His Ways, with an Historical Record of what He Did, and what He Didn't ...”, p.245