Unreserved public auction : 900 lots, the libraries and collections of the late John W Aungst, Jr., of Landisville, Penna., Miriam E. Bixler formerly of Lancaster, Penna., Clyde L Groff of Lancaster, Penna., Grace T. Steinmetz of Manheim, Penna. and others to be held ... March 13, 1992 ... and March 14, 1992