Name
- Piatti, Alfredo, 1822-19011
- Pouncy and Co1
- Preston, Robert H.1
- Prestwich, W. H.1
- Rabe and Thiele1
- Robinson, Henry Peach, 1830-19011
- Rothesay Photographic Studio1
- Rottmayer, J. B.1
- Ruskin, John, author, artist and social reformer, 1819-19001
- Russell, Edward G.1
- Sarony and Co1
- Sawyer's Italian Studios1
- Schiller, Johann Christoph Friedrich, dramatist, poet and historian, 1759-1805, http://isni.org/isni/000000... http://viaf.org/viaf/969944501
- Schroeder, G.1
- Scott and Son1
- Sherman, George1
- Shivas, J.1
- Smith, W.1
- Southwell Brothers1
- Stereoscopic Company1