Latin American Research Review, Vol. V, No. 1, Spring, 1970 (2 excerpts)

Skidmore, Thomas E. & Peter H. Smith, Notes on Quantitative History: Federal Expenditure and Social Change in Mexico since 1910 & Wilkie, James W., On Methodology and the Use of Historical Statistics, Reprinted from Latin American Research Review, Vol. V, No. 1, Spring, 1970. [Latin American Center, University of California, Los Angeles], (2 copies)