The New York Public Library's NYPL Gallery includes thousands of images from prints, books, and historical maps published in Russia and its environs between 1730 and 1935. Among the notable items are the several series issued by 19th-century collector and scholar, Dimitrii Aleksandrovich Rovinskii. Special collections include:
Primary documents on the Chernobyl nuclear accident
Wilson Center Digital Archive - The Nuclear Proliferation International History Project and the Cold War International History Project, both part of the Wilson Center's History and Public Policy Program, have published new translations of 28 documents about the Chernobyl nuclear accident from the archives of the Ukrainian Security Service, or the Ukrainian KGB. Documents from 1973-1991
George Washington University National Security Archives - Declassified documents