Population economics; selected essays of Joseph J. SpenglerJoseph John Spengler · First published 1972Open the Tome
Population theory and policyJoseph John Spengler · First published 1956 · Latest edition 1974Open the Tome
France faces depopulationJoseph John Spengler · First published 1938 · Latest edition 1968Open the Tome
The fecundity of native and foreign-born women in New EnglandJoseph John Spengler · First published 1930Open the Tome