Picture of William S. Thayer with facsimile signature. He is sitting with his right hand holding a pen and resting on the desk. Photographed by Doris Ulmann.
Publisher: New York.
Portrait of an older Wilhelm von Waldeyer-Hartz. The number "13778" appears in the bottom right-hand corner of the sheet. Facsimile signature: "Hch. Wilh. Gottl. Waldeyer."
Publisher: Berlin-Charlottenburg: Adolf Eckstein's Verlag.
Portrait of Roux wearing spectacles, and sitting with his arms crossed. Facsimile signature. Photographed by Adolf Eckstein.
Publisher: Berlin: W. Mohren str. 8.