Supplement 9 contains bibliographical and archival materials pertaining to two eminent American economists: The Finding Guide to the Frank H. Knight papers at the University of Chicago and, a complete annotated bibliography of the writings of Frank H. Knight, assembled and edited by Ross B. Emmett. Also included is a bibliography to references for Thorstein Veblen works for the period 1983-1996, assembled by Solidell Wasser and Felicity Wasser.