Disability among gainfully occupied persons; an introduction to disability insurance statistics
Falk, I. S. 1899-1984
Disability among gainfully occupied persons; an introduction to disability insurance statistics [by] I. S. Falk, Barkev S. Sanders and David Federman ... - Washington, D.C., Federal security agency, Social security board, Bureau of research and statistics, 1945. - iv, 60 p. ill.
"List of references": p. 58-60.
ss 45000017
HD7123 / .A35 no. 61
W6 / P3 v.5789
Disability among gainfully occupied persons; an introduction to disability insurance statistics [by] I. S. Falk, Barkev S. Sanders and David Federman ... - Washington, D.C., Federal security agency, Social security board, Bureau of research and statistics, 1945. - iv, 60 p. ill.
"List of references": p. 58-60.
ss 45000017
HD7123 / .A35 no. 61
W6 / P3 v.5789