When you search the online catalog by subject, you could use a Library of Congress Subject Heading (LCSH). This makes it easy to find books on the same or similar topics. The main subject headings are listed below.
History
Asia -- History
Brazil -- History
Canada -- History
China -- History
Communication and Culture
East Asia -- History
Europe -- History
Hong Kong -- History
Macau -- History
Portugal -- History
South Asia -- History
United States -- History
