Crista Martin: "Armstrong, Margaret Neilson (1867–1944)."Women in World History: A Biographical Encyclopedia. Ed. Anne Commire. Vol. 1. Detroit: Yorkin Publications, 2002. 483. Gale Virtual Reference Library. Web. 7. März 2015.
Charles B Gullans; John Jenkins Espey; University of California, Los Angeles. Library. Department of Special Collections; Margaret Armstrong Binding Collection (Library of Congress): Margaret Armstrong and American trade bindings : with a checklist of her designed bindings and covers. In: Occasional papers / UCLA, University Research Library, Department of Special Collections. Band6. Los Angeles : Department of Special Collections, University Research Library, University of California, 1991, OCLC704904397, S.51.
