Physical title - 52 volumes
3rd Floor - Reference HD62.7 .B865 v.52
4th Floor - Stacks HD30.28 .M3839 2016
Subject headings are assigned to books/ebooks in the library's catalog.
A "Subject heading" search finds titles on that subject. You can use the filters to sort the results by date, full text online, etc. Here are a few headings of potential interest to get you started
Subject Subheadings - you can add to your subject search after the names of states, regions, and main subjects. For instance: New Business Enterprises - Management; another example is small business - personnel management; and entrepreneurship - economic aspects
(Adapted from Duke University's Economics Research Guide)