Spiegel, Amy N., S. Kay Rockwell, Deanna Acklie, Saundra Wever Frerichs, Kathleen French, and Judy Diamond. 2005. “Wonderwise 4-H: Following in the Footsteps of Women Scientists”. Journal of Extension 43 (4). https://archives.joe.org/joe/2005august/a3.php.
A Searchable Database of Research about the 4-H Program