Guingamp, Avaugour & Penthièvre - Le Monnier, Joseph, 1866-1921. (Rennes : Impr. de "L'Ouest-Éclair", 1923)
"Bibliographie": pages 5-7
Mode of access: Internet.
Keywords: Penthièvre, Counts of; Nobility; Nobility -- France; France -- Guingamp; France; Guingamp (France) -- History; France -- Genealogy; History; Genealogy