Use the "more search options" in OneSearch to get to specifics:
How to get to more search options:
You can change the country name to the country you are working on - there may be more than one country name so look at the Subject Headings in the full record display for the book to see what other terms might come in handy:
To quickly locate a particular type of primary source in most online catalogues such as BearCat use the following terms as SUBJECT rather than KEYWORD terms:
Entries for countries and regions are usually subdivided by century. If you are looking for what is available to document general social or intellectual trends in a period search for the country's formal name (Great Britain, not "England") followed by the century designation: Great Britain 15th century. Major events in any century will often have a subheading of their own: Great Britain World War 1914 - 1918.
You can use the subheading Sources with these time period designations as well: Hundred Years War 1339 1453 Sources
When searching in WorldCat your result list will have a set of tabs at the top, two may be of interest for primary sources: