Report on Japanese Steel Rolling Facilities by Paul A. Williams, ESS, Industry Division (文書名:GHQ/SCAP Records, Natural Resources Section = 連合国最高司令官総司令部天然資源局文書) (課係名等:Mining & Geology Division) (シリーズ名:Reference File, 1946-51) (ボックス番号:9301 ; フォルダ番号:5)
Report on Japanese Steel Rolling Facilities by Paul A. Williams, ESS, Industry Division