* If you find more specific subject heading after a large heading. For example, -- History, Social conditions, -- Languages, --Attitudes, -- 20th century, etc.
** Also, you can further divide by source type like “interviews”, "periodicals", “statistics” and “Pictorial works" in Subject Headings.
*** Be creative to come up with other keywords such as: Zainichi.to discover other subject headings
Guide for citation management (Refworks, Zotero, EndNote and Mendeley):
Other Useful databases/guides: