Age at first marriage : data on duration of marriage, times married, difference in age between husband and wife, ethnic origin, education, earnings, etc
著者
書誌事項
Age at first marriage : data on duration of marriage, times married, difference in age between husband and wife, ethnic origin, education, earnings, etc
（U.S. census of population, 1960, v. 2 . Subject reports ; PC(2)-4D）
U.S. Dept. of Commerce, Bureau of the Census : U.S. G.P.O., 1966