000 5260 003 PGUSA 008 040301s2004||||xxu|||||s|||||000 | eng d 040 PGUSA eng 042 dc 050 4 PR 100 1 Doyle, Arthur Conan, Sir, 1859-1930 245 10 Duet, a : a duologue [electronic resource] / by Arthur Conan, Sir Doyle 260 Project Gutenberg, 2004 500 Project Gutenberg 506 Freely available. 516 Electronic text 830 0 Project Gutenberg 5260 856 40 http://www.gutenberg.org/etext/5260 856 42 http://www.gutenberg.org/license Rights