(289) Jewkes, John, Sawers, David, and Stillerman, Richard, The Sources of Invention. (New York: St. Martin's Press, 1958.)
(290) Lapp, Ralph E., The New Priesthood. (New York: Harper & Row, 1961.)
(291) Lesher, Richard, and Howick, George, Background, Guidelines, and Recommendations for use in Assessing Effective Means of Channeling New Technologies in Promising Directions. (Washington: National Commission on Technology, Automation and Economic Progress, November, 1965.)
(292) Levy, Lillian, (ed.), Space: Its Impact on Man and Society. (New York: W. W. Norton, 1965.)
(293) Lewis, Arthur O., Jr., (ed.), Of Men and Machines. (New York: E. P. Dutton, 1963.)
(294) Lilly, John C, Man and Dolphin. (New York: Pyramid, 1962.)
(295) London, Perry, Behavior Control. (New York: Harper & Row, 1969.)
(296) McLuhan, Marshall, Understanding Media. (New York: McGraw–Hill, 1965.)
(297) Newman, James R., (ed.), What is Science ? (New York: Washington Square Press, 1961.)
(298) Plumb, J. H., (ed.), Crisis in the Humanities. (Baltimore: Penguin Books, 1964.)