Emily Helen Butterfield (English Wikipedia)

From the [1] Archived 2011-07-25 at the Wayback Machine page of the ΑΓΔ site, accessed December 18, 2006
from Quarterly Archived 2006-12-21 at the Wayback Machine Winter 2003 issue, page 4.

amazon.com

College Fraternity Heraldry Amazon ASIN: B00085CS7U ISBN unknown, from info page
Young People's History of Architecture, Publisher, Dodd, Mead & Company, 1933. Amazon ASIN B00085TRS8 ISBN unknown, from info page on Amazon.com site

quoted at the BPW/MI Archived 2007-01-17 at the Wayback Machine (Business and Professional Women, Michigan chapter) website, "About us section", accessed December 17, 2006

College Fraternity Heraldry, Publisher, George Banta Publishing. Co., Menasha, Wisconsin, 1931. (information from Halston^{[permanent dead link]} library site

"Authenticity of our Coat of Arms". Lambda Chi Alpha. LAMBDA CHI ALPHA FRATERNITY, INC. February 2014. Archived from the original on 9 February 2016. Retrieved 3 May 2015.
Mike Raymond (February 2006). "Butterfield's Mark" (PDF). Cross & Crescent. 92 (2). Lambda Chi Alpha: 10–11. Retrieved 3 May 2015.^{[permanent dead link]}

From Butterfield page Archived 2007-09-27 at the Wayback Machine of Michigan Women Hall of Fame, accessed December 18, 2006

From the [1] Archived 2011-07-25 at the Wayback Machine page of the ΑΓΔ site, accessed December 18, 2006
From Butterfield page Archived 2007-09-27 at the Wayback Machine of Michigan Women Hall of Fame, accessed December 18, 2006
quoted at the BPW/MI Archived 2007-01-17 at the Wayback Machine (Business and Professional Women, Michigan chapter) website, "About us section", accessed December 17, 2006
"Authenticity of our Coat of Arms". Lambda Chi Alpha. LAMBDA CHI ALPHA FRATERNITY, INC. February 2014. Archived from the original on 9 February 2016. Retrieved 3 May 2015.
from Quarterly Archived 2006-12-21 at the Wayback Machine Winter 2003 issue, page 4.