Materials in the field of psychology are intended to cover a range of curricular and research needs for undergraduates, graduate students, and faculty. Defined as one of the social sciences, psychology has interdisciplinary ties to sociology, social work, education, anthropology, medicine, political science, and business. In addition, psychology has close relationships with many of the natural sciences such as biology, zoology, mathematics, and physiology. The collection supports the research needs of faculty and graduate students,while at the same time keeping abreast of changing developments within the field. It also supports the curriculum, including materials that reflects the needs of students.