I need a Purdue University cross stitch pattern.
Check out Easypatterns. They have some:
Finding Cross Stitch Patterns
College Team Cross Stitch Patterns
"If tears could build a stairway..." Cross Stitch Pattern?
Resizing a Cross Stitch Pattern?
Cross Stitch Pattern: "Cleaning and Scrubbing Can Wait Til Tomorrow"?
College and University Cross Stitch Patterns?