PBS
Pbs People and Discoveries: Abraham Maslow
This PBS People and Discoveries site offers a great introduction to the work of Maslow. Includes a brief bio of Maslow and his ideas.
Other
Abraham Maslow: A Current List of Books and Articles
The ultimate Maslow reference. Complete bibliographical lists of books, personal letters, articles, historical archives, etc. Great starting place for research on the man and his work.