Anson, Jack L.; Marchenasi, Robert F., संपा॰ (1991) [1879]. Baird's Manual of American Fraternities (20th संस्करण). Indianapolis, IN: Baird's Manual Foundation, Inc. पृ॰ I-10, I-13, I-20, VI-128–132. आई॰ऍस॰बी॰ऍन॰978-0963715906.. Baird's Manual is also available online here: The Baird's Manual Online Archive homepage.