Joe Hill's song, "Rebel Girl," is based on a real-life rebel, Elizabeth Gurley Flynn. She was an organizer with the Wobblies (IWW, Industrial Workers of the World) and a founder of the ACLU. Read more about Elizabeth Gurley Flynn:

• Elizabeth Gurley Flynn Profile (short biography)
• Elizabeth Gurley Flynn Biography (more details)
• Elizabeth Gurley Flynn Quotes
• More About Elizabeth Gurley Flynn