Here are entered works on the inland part of Asia, extending from the Caspian Sea in the west to, and including, northwestern China and Mongolia in the east, and from southern Siberia in the north to, and including, northern Iran and Afghanistan in the south, as well as works limited to the republics of former Soviet Central Asia treated collectively.
Here are entered works on the region that extends from the Mediterranean and Red Seas to the Pacific Ocean, encompassing the Middle East, South Asia, East Asia, Southeast Asia, etc., but excluding Siberia. Works that focus on a narrower region within the Orient are entered under the name of the more specific region, e.g. East Asia.