Contributing Authors Include Edwin T. Kephart, John Williams, Rodney W. Johnson, And William I. Orr.

Contributing Authors Include Maurice Hindin, Dale Hileman, James Gilfert, Harold Reed, Heino Sommer, John Williams, And John Burgess.

Contributing Authors Include W. B. Bernard, Norman R. McLaughlin, Carl Perko, Frank H. Tooker, O. W. H. Johnson And W. M. Scherer.

Contributing Authors Include John Williams, Richard Graham, H. T. Orr, Gene Senti, Nelson M. Griggs, W. M. Scherer, M. A. Ellis, Roth Jones And C. L. Buchanan.

Contributing Authors Include Wilfred M. Scherer, Anthony J. Patti, Clifford Johnson, And Jack N. Brown.

Contributing Authors Include William I. Orr, A. M. Pichitino, F. M. Hager, Jr., Jack N. Brown, Eugene H. Hastings, Norman Snyder, And Ann Gordon.

Contributing Authors Include Louisa B. Sando, Thomas R. Haller, Roth Jones, Clifford Johnson, And William I. Orr.

Contributing Authors Include Wilfred M. Scherer, Anthony J. Patti, Clifford Johnson, Jack N. Brown, And Many Others.

Contributing Authors Include Robert W. Schoening, Carlton G. Rich, R. A. Eidemiller, And Jack Brown.