Digital National Security Archive unlocks a vast trove of important declassified U.S. government documents, providing vital primary source material to advance research in twentieth and twenty-first century history, politics, and international relations.
合作与国家安全档案合作,以保护和扩大对此重要材料的访问,Proquest已创造了一系列深远的美国官方文件。分别包括超过875,000页和大约140,000个文件,许多人通过广泛使用美国信息自由法案。
The digitized documents are made available in over 56 topic-based collections, with two new collections added each year. The curation of each collection is overseen by subject-area scholars to ensure the material provides the most discerning coverage of the topic.
研究人员可以直接进入原始文件,这些文件将响应到现在第二次战后二战的关键问题。
通过其有效的搜索引擎,DNSA允许用户在主题领域和时间段中解锁这些文档所显示的隐藏关系,在全球问题上提供了一种新的视角。
Online access saves travel time and costs of sourcing and gathering dispersed documents.
由学者策划档案,资源提供最完整的版本,当时可用,每个文档都可以由图书管理员编目和索引,以确保丰富和有益的发现体验。
Digital National Security Archive unlocks a vast trove of important declassified U.S. government documents, providing vital primary source material to advance research in 20th and 21st century history, politics, and international relations.