Vol. 5 compiled and edited by C.A. Jacobson, with the assistance of Clifford A. Hampel and Elbert C. Weaver; v. 6 compiled by C.A. Jacobson, edited by...
Vol. 5 compiled and edited by C.A. Jacobson, with the assistance of Clifford A. Hampel and Elbert C. Weaver; v. 6 compiled by C.A. Jacobson, edited by Clifford A. Hampel.