An Imperative Duty Author:W. D. Howells "They're not so very common, and they're not so very well ascertained. You find them mentioned in the books, but vaguely, and on a kind of hearsay, without the names of persons and places; it's a notion that some writers rather like to toy with; but when you come to boil it down, as the newspapers say, there isn't a great deal of absolute fact t... more »here.« less