Subject
- South Peninsula Athletic League1
- South San Mateo NAACP1
- South San Mateo and Palo Alto League of Women Voters1
- Southern Pacific1
- Special Blue Ribbon Committee1
- St. Clair Drake1
- St. Elizabeth Seton1
- St. Francis Church1
- St. Francis of Assisi Catholic Church1
- St. John's Church1
- St. John's Missionary Baptist Church1
- St. Samuel's Church1
- St. Vincent DePaul Society1
- St. Vincent de Paul1
- Stan Otani1
- Stanford1
- Stanford Black Community Services Center1
- Stanford Department of Drama1
- Stanford Golf Course1
- Stanford Law Clinic1