http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sách giới thiệu các đạo luật sửa đổi trong nhiệm kỳ 1967 -1970 dưới thởi Việt Nam Cộng Hòa
Việt Nam Cộng hòa. Hạ nghị viện