Phase 2; Contains Table of Contents and Introduction only. Review of Extension Research 1946/47-1956, Extension Service Circular 506, U.S. Department of Agriculture, Washington, D.C., Manhattan, KS : Kansas State University, 1947. 54 p. Master thesis (Department of Industrial Journalism and Printing). Summary of thesis for master of science degree, College of Agriculture, Kansas State College, Manhattan. 54 pages.