Informational pages for Percy Lavon Julian Commemorative Stamp - Black Heritage Series, includes images of the stamps, information about the physical stamp and biographical information for Percy Lavon Julian. First issued January 29, 1993, stamp No. 408 in a series.
Black Heritage Stamp Series: Percy Lavon Julian. 1993. Rodney Lawrence Hurst, Sr. Papers. University of North Florida. Thomas G. Carpenter Library. Special Collections and Archives. UNF Digital Commons. https://digitalcommons.unf.edu/hurst_stamps/18
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