^مارثا بواز, Fervent and Full of Gifts: The Life of Althea Warren (New York: Scarecrow Press, 1961); Dorothy Drake and Virginia Milbank Fromme, Althea Warren, Librarian, N.P.: California Library Association, 1962, and "Happy 125th Birthday, Althea Warren," Library History Buff, as cited at California History Hall of Fame: Althea Warren "نسخة مؤرشفة". مؤرشف من الأصل في 2016-03-11. اطلع عليه بتاريخ 2019-07-11.{{استشهاد ويب}}: صيانة الاستشهاد: BOT: original URL status unknown (link)
