- Forgotten Genius - Percy Julian - Companion web site to the NOVA program "Forgotten Genius" offering a biography of this pioneering black man in the sciences and information about his chemistry contributions.
- Invention of Cortisone - Percy Julian - Offers a biography and details regarding his synthesis of artificial cortisone.
- Percy Julian - The Black Inventor Online Museum - Provides a biography with details of his numerous chemistry contributions.
- Percy Lavon Julian - Article with biographical information and his contributions to chemistry.
- Percy Lavon Julian - National Academy of Science profile of this NAS member and his work.

