1931
Born to Harold James and Dora Elena (Andreini) Webster in London, England.
1962
Earns a Bachelor of Arts in Hispanic studies, with honors, from the University of Liverpool.
1964
Achieves a Master of Arts in Spanish from the University of Nottingham.
1965
Becomes certified in education by the University of Liverpool and moves to Canada.
1968
Teaches as a professor at the University of Toronto until attaining emerita status in 1995.
1969
Obtains a Doctor of Philosophy in Spanish from the University of Toronto.
1978
Serves as an associate dean at the University of Toronto until 1981.
1979
Is the director of the Center for Medieval Studies at the University of Toronto until 1994.
1990
Serves as president of the American Academy of Research Historians of Medieval Spain until 1995.
1993
Publishes “Els Menorets: The Franciscans in the Realms of Aragon From St. Francis to the Black Death, (1348).”
1993
Serves as graduate chair of the Department of Spanish and Portuguese at the University of Toronto until 1994.
1998
Publishes “Per Déu o per diners: Els mendicants i el clergat al País Valencià (Recerca i pensament) (Catalan Edition).”
1999
Publishes “Carmel in Medieval Catalonia (Medieval Mediterranean: Peoples, Economies and Cultures, 400-1500).”
2021
Contributes as a fellow of the Royal Society of Canada and correspondent of Secció Històrico-Arqueològica of the Institute d’Estudis Catalans.
2021
Maintains membership with the American History Association and the American Catholic History Association.