Coba jelasin Publikasi dari Thomas Spence dong

The Real Rights of Man (1793)

The Important Trial of Thomas Spence (1807)

T. M. Parssinen, "Thomas Spence and the Spenceans: a Study of Revolutionary Utopianism in the England of George III" (unpublished Ph.D. dissertation, Brandeis University, 1968).

T. M. Parssinen, "The Revolutionary Party in London, 1816–20", Historical Research 45 (2007) 266–282