- Pownall, Thomas1
- Ptolemy, Claudius1
- Rand McNally and Company1
- Rapkin, J.1
- Richardson, William A., 1795-18561
- Ritters, Kurt1
- Rizzi-Zannoni, Giovanni Antonio, 1736-18141
- Robert Laurie & James Whittle1
- Rosenberg, Lewis I.1
- Ross, Lieut.1
- Ruscelli, Girolamo1
- Russell, John, fl. 1733-17951
- Ryker, Harrison1
- 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 Public Utilities Commission1
- San Francisco Redevelopment Agency (San Francisco, Calif.) 1
- Sayer, Robert1
