HD-HF are the primary call number ranges for subjects in marketing. These will cover most aspects of business.
HD Industries. Land use. Labor.
HE Transportation and Communications
HF Commerce
HG Finance
HJ Public Finance
Psychology or fine art may also be of interest, which are located in the BF and N sections, respectively.
For better targeted browsing, use the catalog to identify several books that relate to your area of interest and look in the library call number sections that contain those books.
Other ebooks from around the web.