Laurence Bell (1997). "Democratic Socialism". In Christopher Flood; Laurence Bell (eds.). Political Ideologies in Contemporary France. Continuum. p. 17. ISBN978-1-85567-238-3.
Halpern A (2002). "Freemasonry and party building in late 19th-Century France". Modern and Contemporary France. 10 (2): 197–210. doi:10.1080/09639480220126134. S2CID144278218.
Halpern A (2002). "Freemasonry and party building in late 19th-Century France". Modern and Contemporary France. 10 (2): 197–210. doi:10.1080/09639480220126134. S2CID144278218.