“Foreword” to Liang Xiaohui, From Regulation to Governance: The Evolution of the UN’s Approach towards Business and Human Rights (Beijing: Peking University Press, 2016).

“Transnational Corporations and Human Rights,” in Joshua Goldstein and Jon Pevehouse, eds.,International Relations (London and New York: Pearson Longman, 2011).

“Foreword” to Thomas G. Weiss and Ramesh Thakur, The United Nations and Global Governance: An Unfinished Journey (New York: Cambridge University Press, 2009).

“American Exceptionalism and the U.S. Role in the World,” in Morton H. Halperin, et al., eds.,Power and Superpower: Global Leadership and Exceptionalism in the 21st Century (New York:Century Foundation Press, 2007). 

“Foreword: One Earth, Two Worlds.” in Norman Myers and Julian Simon, Scarcity or Abundance? A Debate on the Environment (New York: W.W. Norton, 1994).