Alfons v. Rosthorn (1909) OP001125
Friedrich Franz Roth OP001126
George Ross, A.M., M.D. OP001127
Wilhelm Roux (1910) OP001131
Professors Roux, Metchnikoff, and Calmette OP001132
Johannes Rückert (1956) OP001135
Johannes Rückert (verso) (1956) OP001135_B
Max Runge (1909) OP001138
Robert F. Ruttan (1928) OP001142
Robert F. Ruttan (1928) OP001146
Adolf Frhr. v. la Valette St. George (1905) OP001149
C.E. de M. Sajous OP001156
Joannes Sambucus (1682) OP001158