" Aldine, ISBN 978-0-202-36142-0===Major Papers===* 1948: "Minor studies in aggression: The influence of frustrations imposed by the in-group on attitudes expressed by the out-group.
Aldine, ISBN 978-0-202-36142-0* The Value of Behavioral Research on Animals, 1985* Minor studies in aggression: The influence of frustrations imposed by the in-group on attitudes expressed by the out-group.