Handbooks contain entries that summarize and define complex research and also highlights important scholars. Use handbooks to get background information, define theories, and find seminal scholars.
Handbooks are extremely helpful for learning about a topic quickly and deciding if you'd like to do more in-depth research or to gain broad knowledge of a topic quickly. Using a handbook when you are choosing your research topic can help you make a more informed choice.
The databases below look at multiple handbooks and academic encyclopedias at once:
The SMS Blackwell Handbook of Organizational Capabilities by 
Encyclopedia of Leadership by 
Handbook of Research on the Education of School Leaders by 
Encyclopedia of educational leadership and administration by 
The Encyclopedia of Leadership: a practical guide to popular leadership theories and techniques by 
Blackwell Encyclopedia of Mentoring by 