http：//www.trumanlibrary.org/whistlestop/study_collections/doctrine/large/documents/index.php?documentdate=1947-03-12；documentid=5-9；pagenumber=1；http：//avalon.law.yale.edu/20th_century/trudoc.asp. +IQ75b9Y6P0xANCTdA+txakqrilP5JWrixcUQWHwA85sSroNH7nuJ0xrtlHo9wzn
