Cooper-Hewitt National Design Museum, Smithsonian Institution(页面存档备份,存于互联网档案馆) DigitalLibrary for the Decorative Arts and Material Culture - electronic resources
eBooks Downloaded Each Month. The Digital Reader. 2013-07-09. (原始内容存档于2013-11-10). In-Library eBook Lending Program Expands to 1,000 Libraries. Internet
Cooperation Act Annotated bibliography for India's nuclear weapons program at the Alsos DigitalLibrary for Nuclear Issues. Woodrow Wilson Center's Nuclear Proliferation