Beginning page of a book published by the Institute of Human Relations representing collaboration among social science and medical disciplines. Title page: Frustration and aggression by John Dollard, Neal E. Miller, Leonard W. Doob, O. H.. Mowrer [and] Robert T. Sears; in collaboration with Clellan S. Ford, Carl Iver Hovland, Richard T. Sollenberger, Institute of Human Relations, Yale University, New Haven. Published for the Institute of Human Relations by Yale University Press, 1939.