The national advocates, a poem. Affectionately inscribed to the Honourable Thomas Erskine, and Vicary Gibbs, Esquire, William Hayley. The national advocates, a poem. Affectionately inscribed to the Honourable Thomas Erskine, and Vicary Gibbs, Esquire Hayley, William, 1745-1820. [2],33,[1]p. ; 4⁰. London : printed for J. Debrett, 1795. Anonymous. By William Hayley. In praise of Erskine and Gibbs' defence of Thomas Hardy, Horne Tooke and others. Reproduction of original from the British Library. English Short Title Catalog, ESTCT39611. Electronic data. Farmington Hills, Mich. : Thomson Gale, 2003. Page image (PNG). Digitized image of the microfilm version produced in Woodbridge, CT by Research Publications, 1982-2002 (later known as Primary Source Microfilm, an imprint of the Gale Group).