http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Khảo sát tục hát ca công, hát trống quân và hò bá trạo
Sách trình bày 3 phần: Khảo sát hát ca công ở Thanh Hóa; Hát trống quân; Hát bá trạo.
History and criticism,Lịch sử và phê bình