Retzius I 80, 301.

Rietz II [63].

Ripley, W. I 300.

Röse II [49], [51], [63], [98], [234].

Rosenfeld II [127], [236].

Rubin II [79].

Rüdin, E. I 228, 304; II [19], [176], [232].

Rütimeyer I 264.

Schallmayer, W. I 239, 304; II [32], [103], [107], [124], [142], [147], [162], [167], [178], [180], [181], [232].

Schemann, L. I 305.