These useful and orginal sources of information beyond the book can be accessed directly by clicking on the links provided.

A look back at Abraham Zaleznik’s seminal 1977 article ‘Managers and leaders: are they different?’ in the January 2004 edition of Harvard Business Review

Leadership on screen

Three great examples of films that touch upon the interplay of leadership, management and headship in organizations include:

• Hidden Figures (2016)
• Apollo 13 (1995)
• Margin Call (2011)