The library subject guide covers economic literature and data.
It contains a survey of reference works, literature, and statistics databases, plus guides to searching and how to make reference lists
If you are going to search for literature for an assignment or a subject, The New Palgrave Dictionary of Economics is a fine starting point. Palgrave Dictionary of Economics is a central economic reference book with long precise entries written by weighty economists. The entries are supplied with comprehensive literature lists of articles and books for further reading on the subject.
Read for instance the article: "elites and economic outcomes" by Elise S. Brezis and Peter Temin.