The Amount of Investigation and Percentage in Major Industries by Prefectures (文書名:GHQ/SCAP Records, Economic and Scientific Section = 連合国最高司令官総司令部経済科学局文書) (課係名等:Programs & Statistics Division) (シリーズ名:General Subject File, 1946-52) (ボックス番号:8217 ; フォルダ番号:1)
The Amount of Investigation and Percentage in Major Industries by Prefectures