Delta Epsilon Sigma at Villanova University
- Includes member and officer rosters, publications, constitution and bylaws, and links to related sites.
- http://www3.villanova.edu/deltaepsilonsigma/

Delta Epsilon Sigma National Scholastic Honor Society
- Scholastic honor society for students, faculty, and alumni of colleges and universities with a Catholic tradition. Includes history, constitution and bylaws, induction ritual, and information about competitions, scholarships, and other programs.
- http://www.deltaepsilonsigma.org/