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 Harold Geist
 
 Geist, Harold (1977): A comparison of vocational interests of Mexican Americans in Texas and Mexicans in two regions of Mexico [A comparison of vocational interests of Mexican Americans in Texas and Mexicans in two regions of Mexico]. R. interam. Psicol. 11(2), 19-22 (eng.). 
 
 Geist, Harold (1969): A comparison of vocation interests in various countries in Latin America [A comparison of vocation interests in various countries in Latin America]. R. interam. Psicol. 3(3), 169-176 (eng.).