North, David S., and William G. Weissert. "The New American Immigrant: An Important Factor in the Manpower Equation." N.p. [typescript], undated

North, David S., and William G. Weissert. "The New American Immigrant: An Important Factor in the Manpower Equation." N.p. [typescript], undated, Box: 189, Folder: 3. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389510 Accessed September 27, 2026.