Coulter was instructor in Government (especially: State Government and Metropolitan Politics) at the Department of Political Science of the University of Massachusetts Amherst/UMass Amherst (1964–1966).
Coulter war Lehrer (instructor) für Regierung (especially: Landesregierung sowie Metropolenpolitik) am Department of Political Science der University of Massachusetts Amherst/UMass Amherst (1964–1966).