c. 1935; the Dominion Public Building is on the west side of Ouellette Avenue between Pitt Street West and Chatham Street West; it was designed by John Edward Trace of Sheppard, Masson, And Trace, Architects; it was begun in 1932 and completed in 1934; the Post Office was on the ground floor; The Dominion Public Building is now known as the Paul Martin Building;