- Rizzi-Zannoni, Giovanni Antonio, 1736-18141
- Robert Laurie & James Whittle1
- Ross, Lieut.1
- Ruckelshaus, Mary1
- Rukstales, Kenneth S. (compiler)1
- Ruscelli, Girolamo1
- Russell, John, fl. 1733-17951
- Ryan, Kevin1
- Ryker, Harrison1
- SF Redevelopment Agency1
- SFMTA, Municipal Transportation Agency, Livable Streets1
- SFpark and SFMTA1
- San Francisco (Calif.). Board of Supervisors1
- San Francisco (Calif.). City Planning Commission1
- San Francisco (Calif.). Department of Public Works1
- San Francisco (Calif.). Department of Public Works.1
- San Francisco Department of City Planning1
- San Francisco Enterprise GIS Program, Department of Technology1
- San Francisco Estuary Invasive Spartina Project1
- San Francisco GIS1
