Correspondence and papers of Edward Harcourt (fomerly Venables-Vernon), Archbishop of York, and his wife Lady Anne Harcourt; George Granville Harcourt; William Vernon Harcourt and his wife Matilda Mary Vernon Harcourt and their son Edward William Harcourt. There is some correspondence of the 1st and 2nd Earls Harcourt in MSS. Eng. d. 3863-4, 3871.