[Facsimile reprint] Harper's Weekly. Telegraph supplement, 4 Sept 1858. 1976. [16p. facsimile, possibly published by Smithsonian Institution, also includes article (of 1976) by Bernard S. Finn, curator at the S.I., on submarine telegraphy, and copy of Cyrus Field's certifying on 21 Aug 1858 the authenticity of a piece of the Atlantic telegraph cable, the balance of which, on board 'Niagara', he has sold to Messrs Tiffany & Co.] Harper's Weekly Telegraph supplement 1858, facsimile reprint, 1976 1858/1976