Scientific Investigations in the Ryukyu Islands (SIRI): Progress Report on History and Bibliographical Project (George H. Kerr, Pacific Science Board, National Research Council, 20 May 1952)
(文書名:USCAR Records, The Administrative Office = 琉球列島米国民政府総務局文書) (シリーズ名:Miscellaneous Publications of the Scientific Investigation in the Ryukyu Islands (SIRI), 1951-1953) (ボックス番号:228 ; フォルダ番号:5)