William de Ferrers, 5th Earl of Derby (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "William de Ferrers, 5th Earl of Derby" in English language version.

refsWebsite

Global rank English rank

284^th place

187^th place

2^nd place

doi.org

Maddicott, J. R. (2004). "Ferrers, Robert de, sixth earl of Derby (c.1239–1279)". Oxford Dictionary of National Biography. Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/9366. Retrieved 30 May 2017. (Subscription or UK public library membership required.)

Maddicott, J. R. (2004). "Ferrers, Robert de, sixth earl of Derby (c.1239–1279)". Oxford Dictionary of National Biography. Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/9366. Retrieved 30 May 2017. (Subscription or UK public library membership required.)