• 900-909 Geography & History etc.
  • 910-919 Geography & travel
  • 920-929 Biography, Genealogy, etc.
  • 930-939 History of Ancient World
  • 940-949 General History of Modern Europe
  • 950-959 General History of Modern Asia
  • 960-969 General History of Modern Africa
  • 970-979 General History of North America
  • 980-989 General History of South America
  • 990-999 General History of other areas