BA, University of Arkansas; MA, University of Nebraska

BA, Colorado State University; MA, PhD, Princeton University

MA, University of North Carolina at Chapel Hill; PhD, Duke University

BA, Grand Valley State University; MA, University of Colorado Boulder

Licenciatura, Universidad Complutense de Madrid; MA, University of New Hampshire; PhD, University of Massachusetts Amherst

MA, PhD, Universitat Pompeu Fabra, Spain

BAS, MA, PhD, University of Pittsburgh

BA, MA, University of Missouri