http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Giới thiệu câu đố về các sự vật, hiện tượng tự nhiên và con người, các câu đố liên quan đến cuộc sống thường ngày,...
A Jar (Sưu tầm và dịch) ; Nguyễn Tiến Dũng (Biên soạn)
Folk literature, Vietnamese,Văn học dân gian Việt Nam