Convention on climate change, 1992: p. 9 (Scott Barrett, assistant prof. of Economics, London Business School)

Johns Hopkins U. Web site, viewed Aug. 19, 2004: personal page (prof. of environmental economics & intl. political econ., Paul H. Nitze School of Advanced Intl. Studies (SAIS), Johns Hopkins U.; previously on faculty at U. of London; Ph.D. in economics, London School of Economics)

Wikipedia, viewed 4 February 2014 (Scott Barrett is a professor of natural resource economics at Columbia University. He holds the title of Lenfest Professor of Natural Resource Economics at the School of International and Public Affairs and The Earth Institute. He previously has taught at The Paul H. Nitze School of Advanced International Studies (SAIS), Johns Hopkins University, the London Business School and was also affiliated with the University College London)