http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nội dung tài liệu trình bày những dự báo về lịch sử thế giới trong tương lai, sau một triệu năm, trong đó bàn về các vấn đề dân số, các cuộc cách mạng, các điều kiện vật chất và sự cạn kiệt của các nguồn năng lượng...
Charles Galton Darwin ; Nguyễn Thọ Nhân dịch