The visitations of Hertfordshire made by Robert Cooke, Clarencieux, in 1572, and Sir Richard St. George, Clarencieux, in 1634. With Hertfordshire pedigrees from Harleian MSS. 6147 and 1546 /
Harleian Society.
Metcalfe, Walter C.
Cooke, Robert,Clarencieux.
St. George, Richard,Clarencieux.
London,
1886.