WorldofMonopoly.com provides the instructions for the original version of Monopoly. The website has instructions for many different versions of Monopoly, staring with rules written by Charles Darrow in 1934.
Starting at the WorldofMonopoly.com main page, place the mouse cursor over the History link at the top of the page. This creates a pull-down menu containing a link for The United States of America. Drag the cursor over The United States of America link and then to the right to the Rules link. Placing the cursor over the Rules link creates a new menu of dates. Click on the link for 1933. The 1933 page contains icons for the rules documents. Click on the document to view the rules in your browser.