1. The problem of population Author(s): Cox, Harold, 1859-1936, author Publication: New York : G.P. Putnam's Sons, 1923 Subject(s): PopulationDemography
2. International Conference on Population Publication: [New York, N.Y.] : United Nations, [1984] Subject(s): PopulationDemography
3. Pop quiz Publication: [Philadelphia?] : Pew Global Stewardship Initiative, [199-] Subject(s): Family Planning ServicesPopulationDemography
