Republic
- Bern 1847
- The Religion of Organization. An Essay read to Friends in Boston. New Haven 1869 / 1892
- The Republican. A Magazine Advocating the Sovereignty of the People. Vol. I-II. London 1848-49 / 2010
- Blake. Prophet against Empire. Princeton 1954
- Mazzini. New Haven and London, 1994
- The Red Republican & The Friend of the People 1850-1851. London, 1967
- The Duties of Man. London 1862
- Republican Politics and English Poetry, 1789-1874. New York 2005
- The Plaint of Freedom. Newcastle-upon-Tyne, 1852
- The English Republic. (4 series)
- A REPUBLIC. The Meaning of the Word. n.p. / n.d. (ca. 1869)
- For Italy: Ora e Sempre. (To the Future). n.p. (London) April 1848
- n.d. / n.p. (1854)
- The English Republic. Every month. Price Six-Pence. (Subscribers page) - A Prayer for War. by Spartacus. (backpage). London 1850
- European Republicans. Recollections of Mazzini and his Friends. London 1893