Angus Campbell1910 · 6 obras en el catálogoObrasAAmerican national election study, 1956American national election study, 1956AAmerican national election study, 1960American national election study, 1960TThe politics of ageThe politics of ageAAmerican national election study, 1958American national election study, 1958IICPSR instructional subsetICPSR instructional subsetRRacial attitudes in fifteen American cities, 1968Racial attitudes in fifteen American cities, 1968