Elsevier's dictionary of plant names of North America
including Mexico : in Latin2003 年出版600 页ISBN：
THE MALEVOLENT LEADERS POPULAR DISCONTENT IN AMERICA
1993 年出版223 页ISBN：0813318874
Education in Central America and the Caribbean
1990 年出版322 页ISBN：9780415038850;0415038855
THE SENIOR RIGHTS MOVEMENT FRAMING THE POLICY DEBATE IN AMERICA
LAWRENCE ALFRED POWELL1996 年出版259 页ISBN：
AMERICA'S DEMOCRACY THE IDEAL AND THE REALITY THIRD EDITION
FRED R.HARRIS1986 年出版732 页ISBN：0673180999
THE CHINESE IN AMERICA A NARRATIVE HISTORY
IPIS CHANG2003 年出版496 页ISBN：0670031232
