Income of the population 55 or older, 1990 /

ανά Grad, Susan
[Washington, D.C.] : U.S. Dept. of Health and Human Services, Social Security Administration, Office of Policy, Office of Research and Statistics, 1992

Income of the population aged 60 and older, 1971 /

ανά Grad, Susan
Washington, D.C. : U.S. Department of Health, Education, and Welfare, Social Security Administration, Office of Research and Statistics, 1977

Income of the population aged 60 and older, 1971 /

ανά Grad, Susan
[Washington] : U.S. Dept. of Health, Education, and Welfare, Social Security Administration, Office of Research and Statistics : For sale by the Supt. of Docs., U.S. G.P.O., 1977

Income of the population, 55 and over, 1980 /

ανά Grad, Susan
Washington, D.C. : U.S. Dept. of Health and Human Services, Social Security Administration, Office of Policy, Office of Research and Statistics : For sale by the Supt. of Docs., U.S. G.P.O., 1983

Income of the population, 55 and over, 1978 /

ανά Grad, Susan
Washington, D.C. : U.S. Dept. of Health and Human Services, Social Security Administration, Office of Policy, Office of Research and Statistics : For sale by the Supt. of Docs., U.S. G.P.O., 1982

Income of the population aged 60 and older, 1971 /

ανά Grad, Susan
[Washington] : Dept. of Health, Education, and Welfare, Social Security Administration, Office of Research and Statistics : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977

Income of disabled-worker beneficiaries /

ανά Grad, Susan
Washington, D.C. : Office of Policy, Office of Research, Evaluation, and Statistics, Social Security Administration, 2001

Income of the population, 55 and over, 1976 /

ανά Grad, Susan, Foster, Karen
Washington, D.C. : U.S. Dept. of Health, Education, and Welfare, Social Security Administration Office of Policy, Office of Research and Statistics : For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1980

Income of the population aged 55 and over, 1976 /

ανά Grad, Susan, Foster, Karen
[Washington] : Dept. of Health, Education, and Welfare, Social Security Administration, Office of Research and Statistics : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1980

Income of the population 55 and over /

Washington, D.C. : U.S. Dept. of Health, Education, and Welfare, Social Security Administration, Office of Policy, Office of Research and Statistics : For sale by the Supt. of Docs., U.S. G.P.O., 1979