Professional Fraternity Association (English Wikipedia)

Baird's Manual of American College Fraternities. Menasha, WI; George Banta Company, Incorporated. 1968.
Metta Lou Henderson; Dennis B Worthen (8 March 2002). American Women Pharmacists: Contributions to the Profession. CRC Press. p. 89. ISBN 978-0-7890-1092-6.
William Raimond Baird (1991). Baird's Manual of American College Fraternities. Baird's Manual Foundation, Incorporated.
"Alpha Omega". The Fraternity Month. Vol. 10, no. 3. 1943. p. 37.
"Alpha Omega". The Fraternity Month. Vol. 3, no. 3. 1935. p. 37.

deltasigmapi.org

"The DELTASIG" (PDF). The DELTASIG of Delta Sigma Pi. Vol. XX, no. 3. May 1928.
"Alumni Spotlight: Gig Wright". Retrieved 4 February 2016.
Present in "The DELTASIG of Delta Sigma Pi" (PDF). The DELTASIG of Delta Sigma Pi. Vol. XXX, no. 1. November 1937. but not "The DELTASIG of Delta Sigma Pi" (PDF). The DELTASIG of Delta Sigma Pi. Vol. XXX, no. 2. January 1938.

Estelle Gilman (1 October 1946). "Affiliated Organizations: VIII. Delta Psi Kappa". The Journal of Health and Physical Education. 17 (8): 482–502. doi:10.1080/23267240.1946.10627356.
Josephine Christaldi (1 December 1946). "Affiliated Organizations: X. Phi Delta Pi". The Journal of Health and Physical Education. 17 (10): 598–639. doi:10.1080/23267240.1946.10626724.
Wilbur C. DeTurk; Fred E. Foertsch (1 January 1947). "Affiliated Organizations: XI. Phi Epsilon Kappa Fraternity". The Journal of Health and Physical Education. 18 (1): 11–42. doi:10.1080/23267240.1947.10625216.

"Professional Fraternity Conference". The Phi Delta Kappan. 11 (1): 1–3. June 1928. JSTOR 20257662.
Shehat, Diane Mulvey (2010). "A History of the Women's Professional Pharmacy Fraternities, 1913-1988". Pharmacy in History. 52 (1): 24–45. JSTOR 41112453. PMID 20973453.

"The Literary Scroll Vol 2 No 2 (February 1929)" (PDF). Archived from the original (PDF) on 5 April 2016. Retrieved 28 March 2016.

"400 Dentists Attended Alpha Omega Convention". The Wisconsin Jewish Chronicle. 12 January 1973. p. 2.

Shehat, Diane Mulvey (2010). "A History of the Women's Professional Pharmacy Fraternities, 1913-1988". Pharmacy in History. 52 (1): 24–45. JSTOR 41112453. PMID 20973453.

"Phi Chi Theta Bylaws August 2016" (PDF). Archived from the original (PDF) on 18 October 2017. Retrieved 17 October 2017.
"Phi Chi Theta Bylaws - August 2014" (PDF). Archived from the original (PDF) on 17 May 2017. Retrieved 5 February 2016.

"LKS History". Archived from the original on 5 February 2016. Retrieved 5 February 2016.

"Barrister News, Volume 1, Number 4, Fall Semester, 1955". The Portal to Texas History. Retrieved 4 February 2016.

"The ARCHI of Alpha Rho Chi" (PDF). The ARCHI of Alpha Rho Chi. Vol. IX, no. 7. 31 July 1928. Archived from the original (PDF) on 10 May 2017.
"LKS History". Archived from the original on 5 February 2016. Retrieved 5 February 2016.
"PFA Board Meeting Minutes September 2015" (Word Document). Archived from the original on 29 July 2016. Retrieved 31 January 2016.
"Phi Chi Theta Bylaws August 2016" (PDF). Archived from the original (PDF) on 18 October 2017. Retrieved 17 October 2017.
"Phi Chi Theta Bylaws - August 2014" (PDF). Archived from the original (PDF) on 17 May 2017. Retrieved 5 February 2016.
"The Literary Scroll Vol 2 No 2 (February 1929)" (PDF). Archived from the original (PDF) on 5 April 2016. Retrieved 28 March 2016.
"Phi Mu Alpha Sinfonia Withdraws from Professional Fraternity Association". sinfonia.org. Archived from the original on 18 May 2008. Retrieved 3 May 2009.