"Attitudes related to the employment of the mentally retarded."; "Phelps, William R. "; "People with mental disabilities--Employment--West Virginia."; "Phelps, William R. "; "1965"; "Journal article reprint from: The American Journal of Mental Deficiency, v.69:no.4 (1965:Jan.). "; ""; "P16044"; "pec"; "People with mental disabilities--Employment--West Virginia."; "14256"; .