Portes, Alejandro and Itzigsohn, Jose (1993) The Party or the Grassroots: A Comparative Analysis of Urban Political Participation in the Caribbean Basin. Working Paper. Johns Hopkins University. (Unpublished)

Portes, Alejandro and Itzigsohn, Jose and Dore-Cabral, Carlos (1993) Urbanization in the Caribbean Basin: Social Change during the Years of the Crisis. Working Paper. Johns Hopkins University. (Unpublished)