The productivity of nations, 1996: t.p. (Charles I. Jones) abstract (Dept. of Econ., Stanford Univ., Stanford, CA)
Stanford University Whois Directory Service online, 3/12/97: (Jones, Charles Irving; asst. prof.)
Brooks, P. Economic conditions in Montana, 1989: t.p. (Chad Jones, research assistant)
Stanford University online directory, viewed June 6, 2016 (Chad Jones, AKA Charles I. Jones)
Email from Chad Jones, June 6, 2016 (also was research assistant on Enconomic conditions in Montana)