Subject headings are categories--each standing for a particular event, concept, person, etc.--that allow you to do precise Franklin searches. A subject search for capitalism, for example, will bring you to a long list of subjects that start with capitalism. You can browse through this list to find the specific capitalism-related subject that is most relevant to you.
Here are a small selection of representative Franklin subject searches:
Keyword Searches
Keyword searches look for search terms anywhere in the record, i.e. the author, subject, title fields, etc. When you find a work of interest, check the full view of the record to see subject headings that can lead to further relevant works.
Try Franklin keyword searches such as:
Finding primary resources on comparative capitalist systems using Franklin
The University of Pennsylvania Libary has many books that either are or contain primary resources about economic history.
To search beyond the holdings listed in Franklin, try: