1. EAP927/1/3 Reference (shelfmark): EAP927/1/3 Title: Historical documents of the beginning of Socialism (1921-1940s) Collection Area: Endangered Archives Programme Languages: Mongolian, Russian, and Tibetan Date Range: 18th century-20th century Extent: 21904 TIFF images
2. EAP927/1/5 Reference (shelfmark): EAP927/1/5 Title: Miscellaneous historical materials written mostly in Russian or Mongolian related to socialism and its philosophy and Mongolian history (1920s-1950s) Collection Area: Endangered Archives Programme Languages: English, French, Mongolian, and Russian Date Range: 1896-2005 Extent: 24882 TIFF images