Most relevant materials can be found in the 'HF' call number range.
Call Number / Subject
HF5419-5422 Wholesale trade
HF5428-5429.6 Retail trade
HF5437-5444 Purchasing and Selling
The Fontbonne library uses Library of Congress call numbers to organize its collection. The classification system separates all material into 21 classes, each with its own alphabet letter. These classes are divided into smaller classes, or subclasses, identified by additional letters and numbers.
You can search Fontbonne's library catalog by call number HERE.