1. I. Alpert, and A. Markusen (1977 ) "The Professional Production of Policy Ideology and Plans: An Examination of Brookings and Resources for the Future" unpublished manuscript, University of California, Berkeley & Santa Cruz, November 1977.
2. I. Alpert, and A. Zabel (1977 ) "Resources for the Future: its background, inception and early years" unpublished paper, University of California, Santa Cruz.