Some of my favorite spies. by Seth, Ronald

Table of Contents: “…Sir Francis Walsingham.--Daniel Defoe.--Major Benjamin Tallmadge.…”

Elizabeth I and her circle / by Doran, Susan

Table of Contents: “…'Sir Spirit' : Sir William Cecil, Lord Burghley ; The 'Moor' : Sir Francis Walsingham ; The 'Pygmy' : Sir Robert Cecil -- Epilogue.…”