Name
- Sedelmeyer, Charles, art dealer, of Paris1
- Seligman, Jacques, art dealer, of Paris1
- Slaser, Curt, Director, Staatliche Kunstbibliothek, Berlin1
- Sulley, Arthur Joseph, art dealer, of London1
- Swarzenski, Georg, Director, Städelsches Kunstinstitut, Frankfurt1
- Temple, Alfred George, Director, Guildhall Gallery1
- Thomas Agnew and Sons, art dealers1
- Thomson, David Croal, art dealer, of London1
- Valentiner, Wilhelm Reinhold, art historian1
- Van Diemen and Co, art dealers, Berlin1
- Waegen, Rolf H., of the Bachstitz Gallery, The Hague1
- Zilea, Chemia, photographer, of London1