JFK Case Papers 对比 20/20 Primes and Factor Trees 的使用情况和统计数据

"John F. Kennedy was killed on November 22, 1963. Almost 30 years later, Congress enacted the President John F. Kennedy Assassination Records Collection Act of 1992. The Act mandated that all assassination-related material be housed in a single collection in the National Archives and Records Administration (NARA). The resulting Collection consists of more than 5 million pages of assassination-related records, photographs, motion pictures, sound recordings and artifacts (approximately 2,000 cubic feet of records). Most of the records are open for research." This app gives you each documents metadata with direct link to it. Makes browsing much easier than the public website can offer. The data is wrapped inside Apples Core Data stack for superfast quering. You can download the result by as email wich has a link to the document.