http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Vào 'biển giáo, rừng gươm' như trẩy hội
Lịch sử ; Kháng chiến chống Mỹ ; Nhà tình báo ; Ngành trinh sát kỹ thuật ; Tư lệnh Nguyễn Hữu An ; Nguyễn Tiến Nhự