Bibliografía (11 obras)
Tough times for the president
2012
The unitary executive and the modern presidency
2010
Power and prudence
2004
Presidential Frontiers
1998
American Government in Action
1995
Leadership and the Bush presidency
1992
Prezident kak mirovoi lider
1991
The post-modern presidency
1988
The president and foreign affairs
1985
The Presidency and national security policy
1984
The politics of southwestern water
