Reference sources can be a useful place to begin your research. Not only do they give background information, but they can also provide keywords and other search terms that will be helpful for you. You will also likely encounter major works by the economist you're researching.
Here are some suggestions for references that may be related to your research. These links will connect to the library catalog record. Some are print sources and some are available online. For the print, you'll need the call number & location to find it. For the online sources, you should be able to click the link to connect.