敦煌遗书中保存了大批地理方面的书卷,依其内容可分为古地志、古行记和地理杂文书三大类,它们包含着大量的非常珍贵的自然和人文地理资料,具有十分重要的学术价值。 There are a large number of geography books stored in Dunhuang mausoleum, which can be divided into three categories according to their content: ancient geography, ancient records and geography essay books, which contain a large amount of very valuable natural and human geography information, academic value.