Coba jelasin Daftar pustaka dari Robert Dudley, Earl Leicester Pertama dong

Goldring, Elizabeth (2014): Robert Dudley, Earl of Leicester, and the World of Elizabethan Art: Painting and Patronage at the Court of Elizabeth I Yale University Press

Peck, Dwight (ed.) (1985) Leicester's Commonwealth: The Copy of a Letter Written by a Master of Art of Cambridge (1584) and Related Documents Ohio University Press