The full title of this digitized book on the Internet Archive in the Toronto collection, attributed to Brock University, is:
Lovell's Business and Professional Directory of the Province of Ontario, for 1882, Alphabetically arranged as to Places, Names, Business and Professions, with a Classified Business Directory of the City of Montreal
There's a lot to explore in 1,464 pages. The largest section, over 600 pages, is an Alphabetical Directory of Ontario. You never know who you're going to find. The cut-out includes cabinet minister Sir Leonard Tilley, librarian of parliament Alpheus Todd, Walter Todd who served with the Ottawa Sharpshooters, and perhaps others you recognize.
More than 300 pages is devoted to Classification of Businesses, and etc, in Ontario.
There's also an over 100 page section Railway Routes with key, 40 page Postal Guide to the Dominion of Canada, and much else.