Bergquist, William H.; Phillips, Steven R.(The Council for the Advancement of Small Colleges ; The College Center of the Finger Lakes ; Pacific Sounding Press ; The Council of Independent Colleges,, 1975.)
Madaus, George f; Kellaghan, Thomas; Rakow, Ernest; Carnegie Foundation for the Advancement of Teaching(St-Patrick's College, Educational Research Centre ; Boston College, School of Education,, 1975.)