GHQ-SCAP Economic and Scientific Section, Research Division Special Report No. 4 - Lead and Zinc Industry of Japan (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:Library Division) (シリーズ名:Publications, 1945-51) (ボックス番号:9084 ; フォルダ番号:2)
GHQ-SCAP Economic and Scientific Section, Research Division Special Report No. 4 - Lead and Zinc Industry of Japan