Quelleninformationen

Ancestry.com. Private devotions and miscellanies of James, seventh earl of Derby, K.G. [Datenbank online]. Provo, UT: Ancestry.com Operations Inc, 2005.
Ursprüngliche Daten: Derby, James Stanley,. Private devotions and miscellanies of James, seventh earl of Derby, K.G. : with a prefatory memoir and an appendix of documents. Manchester, England: Printed for the Chetham Society, 1867.