Hermann v. Burckhardt (1907) OP000231
Max Bürger (1956) OP000232
C. Charles Burlingame, M.D. OP000233
Santiago Ramón y Cajal OP000238
Docteur F. Calot OP000239
Johann Friedrich Wilhelm Camerer (1910) OP000240
Carl, Herzog in Bayern (1909) OP000243
Doctor Paul Carnot OP000247
Diacinto Cestoni (postcard) OP000255
John Chambers (1910) OP000259
Professeur Chantemesse OP000261