Aspen Publishers, 2003.

Aspen Publishers (2004) (Standing and the Institutionalization of Citizens Enforcement, 395, 406-408).

Aspen Publishers, 2006, 3rd Edition.

Global Perspectives on Counterterrorism, 2nd revised and enlarged edition, Aspen Publishers, 2011 (forthcoming).

Aspen Publishers, 2007.

Aspen Publishers, 2005.

The journal is published quarterly by Aspen Publishers.

Aspen Publishers, 2002.

Aspen Publishers, 2004.

Cutter sold its environmental publications to Aspen Publishers in 2002.