http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
C. Mác, Phri-đrích Ăng-ghen tuyển tập
Nội dung cuốn sách là số liệu thống kê, sự kiện lịch sử, kinh tế, van hoá, xã hội, cáp từ ngữ C. Mác, Phri-đrích Ăng-ghen sử dụng trong bộ sách gồm 6 tập