This appeared in an interview in the New York World (Sept. 7, 1902), and is included in Charles Neider, ed., Mark Twain: Life as I Find It (1961): "He did talk freely, however, about his now famous letter written from his vacation retreat on Aug. 14 to a Denver friend anent the attempt to exclude "Huckleberry Finn" from the Denver Public Library. 'Now, that was a very funny thing about that letter getting into print,' he said. 'You see I sent it to my man marked "Private," and that was a sure sign that it was going to be published. That is the reason I don't care to be interviewed, too. You see, it puts it up to the other man.'" I don't know how "famous" the letter really was, but Albert Reid drew a cartoon about the episode for the Kansas City Journal so it does seem to have been noticed outside New York. Jim Zwick