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 EAP927/1/3 Reference (shelfmark): EAP927/1/3 Title: Historical documents of the beginning of Socialism (1921-1940s) Collection Area: Endangered Archives Programme Languages: Mongolian, Russian, and Tibetan Date Range: 18th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. EAP927/1/4 Reference (shelfmark): EAP927/1/4 Title: Research materials during Socialism (1940s-1950s) Collection Area: Endangered Archives Programme Languages: Mongolian and Russian Date Range: 1930s-1980s Extent: 22387 TIFF images
3. 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
4. EAP927/1/6 Reference (shelfmark): EAP927/1/6 Title: Miscellaneous historical materials written mostly in Modern Mongolian (1950s-2000s) Collection Area: Endangered Archives Programme Languages: Chinese, Czech, English, French, German, Japanese, Mongolian, Polish, and Russian Date Range: 1922-2009 Extent: 18244 TIFF images
5. EAP927/1/7 Reference (shelfmark): EAP927/1/7 Title: Fieldwork reports written mostly in Modern Mongolian (1920s-2000s) Collection Area: Endangered Archives Programme Languages: Czech, English, Japanese, Mongolian, and Russian Date Range: 1915-2008 Extent: 11088 TIFF images