Causes of economic blindness in Texas; a statistical survey of 6,106 cases, aid to the blind program, Texas State Department of Public Welfare.
CROCKETT
J A
JA
D001766:Blindness / Q000706:statistics & numerical data*; D003625:Data Collection; D006801:Humans; D012943:Social Security; D013781:Texas; D019987:Persons with Visual Disabilities
BLINDNESS/statistics