Understanding world modelsNathan Keyfitz · 1979

ReviewsRobert Mason; Daniel J. Koenig; Nathan Keyfitz; Barry Smit · 1978

ReviewsPaul T. Durbin; Nathan Keyfitz; Martin E. Danzig; Jan Drewnowski · 1977

The demographics of unfunded pensionsNathan Keyfitz · 1985

Book reviewsNathan Keyfitz; Martine Corijn; Anton Kuijsten; Giulia Rivellini; Marc Termote; Evert van Imhoff · 1996

Book reviewsNathan Keyfitz; Chiara Saraceno; Giuseppe Gaburro; Helmut Muhsam · 1992

Statistics, law, and census reportingNathan Keyfitz · 1981

Age, work, and social securityNathan Keyfitz · 1983

The American Journal of Human GeneticsReview by: J. S. · Population (French Edition) · 1950

Population Problems in the Victorian Age. Volume I: Theory. Debates on the Issue from 19th Century Critical Journals with an Introduction by Joseph J. SpenglerReview by: J. He. · Population (French Edition) · 1975

Population Problems in the Victorian Age. Volume II: Statistics. Debates on the Issue from 19th Century Critical Journals with an Introduction, by Joseph J. SpenglerReview by: J. He. · Population (French Edition) · 1975

La population de l'Union Sovietique apres la guerre. d'après un article de N.S. Timasheff dans "American Journal of Sociology", septembre 1948Louis Henry · Population (French Edition) · 1948

Journal d'un ouvrier (1956-1958)by Daniel MothéReview by: A. C. · Population (French Edition) · 1961