 Among his late-career commissions were the "Three Graces", a fountain and bronze sculpture for the Ontario government buildings, "Female Landscape", a fountain and bronze sculpture at Montreal's Place Ville Marie, "Optical Galaxy Sculpture", a fountain and sculpture in Belconnen, Australia, and a fountain and precast concrete sculpture for a Martin Luther King memorial in California.The sculptures in the entrance of La Ronde in Montréal Québec Canada are made by Gladstone.Other works include