Perlmutter, Oscar William (1961). "Acheson and the Diplomacy of World War II". The Western Political Quarterly. 14 (4): 896–911. doi:10.2307/445090. JSTOR445090.
Perlmutter, Oscar William (1961). "Acheson and the Diplomacy of World War II". The Western Political Quarterly. 14 (4): 896–911. doi:10.2307/445090. JSTOR445090.
Irvine H. Anderson, Jr., "The 1941 De Facto Embargo on Oil to Japan: A Bureaucratic Reflex," Pacific Historical Review, Vol. 44, No. 2. (May 1975), pp. 201–231. in JSTOR