Richard of Conisburgh, 3rd Earl of Cambridge
George Plantagenet, 1st Duke of Clarence
Richard of York Talbot Shrewsbury Book.jpeg
Richard of York, 3rd Duke of York (Variant).svg
Church of St Mary and All Saints, Fotheringhay
Dictionary of National Biography, 1885–1900
The Complete Peerage, XII (part 2). Tracton to Zouche