Primary Source:
Secondary Sources:
https://americanhistory.abc-clio.com/Authentication/LogOn?returnUrl=%2FSearch%2FDisplay%2F253364%3Fterms%3Dethel%2Bpercy%2Bandrus%26sType%3Dquick
https://magazine.iit.edu/fall-2003/ethel-andrus-founder-aarp-iit-alum
http://www.nwhm.org/blog/historical-women-who-rocked-dr-ethel-percy-andrus/
https://leanin.org/stories/ethel-percy-andrus-founder-of-aarp/
http://www.aarp.org/politics-society/history/champions-of-aging-photos/ethel-percy-andrus-aarp-founder.2/
http://www.pointsoflight.org/programs/recognition/extra-mile/dr-ethel-percy-andrus
https://americanhistory.abc-clio.com/Authentication/LogOn?returnUrl=%2FSearch%2FDisplay%2F253364%3Fterms%3Dethel%2Bpercy%2Bandrus%26sType%3Dquick
https://magazine.iit.edu/fall-2003/ethel-andrus-founder-aarp-iit-alum
http://www.nwhm.org/blog/historical-women-who-rocked-dr-ethel-percy-andrus/
https://leanin.org/stories/ethel-percy-andrus-founder-of-aarp/
http://www.aarp.org/politics-society/history/champions-of-aging-photos/ethel-percy-andrus-aarp-founder.2/
http://www.pointsoflight.org/programs/recognition/extra-mile/dr-ethel-percy-andrus