[by] Thomas M. Hill, W. Warren Haynes [and] Howard Baumgartel with the collaboration of Samuel PaulHarvard University, Graduate School of Business Administration, Division of Research1973
[by] Lewis B. Ward and Anthony G. Athos, with the assistance of Jane HoltzHarvard University, Graduate School of Business Administration, Division of Research1972
[by] Abraham Zaleznik, Gene W. Dalton [and] Louis B. Barnes, with Pierre LaurinHarvard University, Graduate School of Business Administration, Division of Research1970
with the cooperation of Catherine C. EllsworthHarvard University Graduate School of Business Administration, Division of Research ; Bailey & Swinfen1959