00000cam a22000004a 4500 UP-1685523046124967706 Buklod 20230503092606.0 m o j ta 991231s1947 xx r |||| u|eng|| (iLib)UPMNL-00000006300 HA37 U2 1947 U. S. Bureau of the census. A chapter in population sampling by the sampling staff, Bureau of the Census. Washington, D. C. U.S. Govt. Print. Off c1947 vi, 141 p. Sampling (Statistics) United States Census. CPH-2661 UPMNL CPH HA37 U2 1947 Book