and Reformation: England, 1509–1558. Edward Arnold. ISBN 0-7131-5952-9. Farquhar, Michael (2001). A Treasure of Royal Scandals. Penguin Books. ISBN 0-7394-2025-9
(1928–1997)". aas.org. נבדק ב-11 בנובמבר 2021. {{cite web}}: (עזרה) Malcolm W. Browne, Dr. Eugene Shoemaker, 69; Set Record for Finding Comets, New York