Huang yu sou lan : Meiguo guo hui tu shu guan suo cang ming qing yu tu = Reading imperial cartography : Ming-Qing historical maps in the Library of Congress
Heisei 2-nen kokusei chōsa ni kansuru chiiki messhu tōkei chizu. Kaikyū messhu mappu : tsuketari, Heisei 2-nen kokusei chōsa ni kansuru chiiki messhu tōkei no gaiyō = Statistical maps on grid square basis : compiled from the results of the 1990 population census