THE FOREIGN SERVICE OF THE UNITED STATES
ANDREW L.STEIGMAN CAROL C.LAISE1985 年出版264 页ISBN：081330167X
THE UNITED STATES-JAPAN ECONOMIC PROBLEM
C.FRED BERGSTEN AND WILLIAM R.CLINE2222 年出版170 页ISBN：0881320609
Foreign Policy of the United States Volume 8
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UNITED STATES SCHOOL LAWS AND RULES VOLUME 2
MICHAEL I.LEVIN2011 年出版1658 页ISBN：0314801074
SOURCES AND DOCUMENTS OF UNITED STATES CONSTITUTIONS 5
WILLIAM F.SWINDLER1975 年出版588 页ISBN：0379161753
SOURCES AND DOCUMENTS OF UNITED STATES CONSTITUTIONS 1
WILLIAM F.SWINDLER1973 年出版522 页ISBN：0379161753
UNITED STATES SCHOOL LAWS AND RULES VOLUME 1
MICHAEL I.LEVIN2011 年出版1574 页ISBN：0314801074
Proquest: Statistical Abstract of The United States 2018
The National Data Book2017 年出版1017 页ISBN：1598889451
