TY - BOOK AU - Aaron,Benjamin TI - Legal status of employee benefit rights under private pension plans T2 - Pension Research Council publications U1 - 331.252 PY - 1961/// CY - Homewood PB - Published for the Pension Research Council, Wharton School of Finance and Commerce, University of Pennsylvania, by R.D. Irwin KW - Pension trusts KW - Law and legislation KW - United States N1 - includes index ER -