Affiliation
- Mercer County Community College1
- Nacogdoches, Texas1
- Newark, Delaware1
- Ohio University1
- OpenIntro1
- Portland State University1
- Princeton University1
- San Francisco State University1
- San Francisco University High School1
- Southern Oregon University1
- Swarthmore College1
- Temple College1
- Texas A&M University, Texarkana1
- Texas A&M University-Central Texas1
- Texas Woman's University1
- UC Berkeley1
- University of Alberta1
- University of Arkansas1
- University of Birmingham1
- University of California Berkeley1