Language:
English
Pages:
v, 54 p
,
ill
,
28 cm
Series Statement:
Current population reports. Special studies, Series P-23 no. 111
DDC:
312.0973
Keywords:
Middle-aged persons Statistics
;
Social conditions
;
United States
;
Middle-aged persons Statistics
;
Economic conditions
;
United States
Note:
"Issued June 1981
,
Chiefly tables
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